Part 2

Transcript

REVUE Part 2 Headphones Published 02/02 Headphones Pictograms Frequency response The frequency response characterises the range of frequencies which a pair of headphones can reproduce. It is measured in hertz (Hz). The average human ear is capable of hearing frequencies ranging from about 20 Hz to 16,000 Hz. The frequency response alone does not reveal much about the reproduction quality. Total harmonic distortion (THD) The THD represents the percentage of non-linear distortions of a signal, the so-called harmonics. These particularly occur at lower frequencies when the motion of the diaphragm cannot follow the electrical signal precisely. Impedance Impedance is the headphones’ resistance to alternating current and is measured in ohms (Ω). The impedances of Sennheiser headphones range from 16 to 600 ohms which means they can be connected to all standard hi-fi components. Signal-to-noise ratio Difference between the wanted signal and the background noise of an electrically operated device (e.g. amplifier, microphone). Signal-to-noise ratio is measured in dB. Weight Connector Cable Cable length Inputs Power supply Publ. 02/02 Subject to alterations. Carrier frequency 1 Contents 2. Headphones ● Introduction Description of models.................................................................................................. 3 ● Dynamic How the electrodynamic transducer works .............................................................. 5 Headphones Connection cables ...................................................................................................... 5 Description of models ................................................................................................ 5 MX 300/MX 400/MX 500 ........................................................................................ 7 HD 26 ......................................................................................................................... 8 PX 30 ........................................................................................................................... 9 PX 40 ..........................................................................................................................10 HD 433 ..................................................................................................................... 11 HD 437 ...................................................................................................................... 12 HD 457 ...................................................................................................................... 13 HD 477 ...................................................................................................................... 14 HD 497 ...................................................................................................................... 15 HD 500 Fusion .......................................................................................................... 16 HD 570 Symphony ................................................................................................... 17 HD 580 Precision ......................................................................................................18 HD 590 Prestige ........................................................................................................ 19 HD 600 Avantgarde .................................................................................................. 20 HD 25 ........................................................................................................................ 21 HD 25 SP ................................................................................................................... 22 HD 200 Master.......................................................................................................... 23 HD 202 .......................................................................................................................24 HD 212 Pro ................................................................................................................25 HD 250 II Linear....................................................................................................... 26 HD 265 Linear .......................................................................................................... 27 HD 270 Control ........................................................................................................ 28 HD 62 TV ................................................................................................................. 29 ● Electrostatic Headphones How electrostatic transducers work ........................................................................ 31 Connection cable ...................................................................................................... 31 Description of models .............................................................................................. 31 HE 90/HEV 90 Orpheus™ ...................................................................................... 35 IR and RF Headphones How infra-red technology works ............................................................................. 37 Description of models .............................................................................................. 37 IS 150 Mono ............................................................................................................... 39 IS 300 Stereo ................................................................................................................ 40 IS 380 ........................................................................................................................ 41 Publ. 02/02 ● Cordless 2 Contents 2. Headphones ● Wireless RF Headphones How radio frequency technology works ................................................................. 43 Description of models .............................................................................................. 43 RS 30 ......................................................................................................................... 45 RS 40 ......................................................................................................................... 46 RS 45 ......................................................................................................................... 47 RS 65 ......................................................................................................................... 48 RS 85 ......................................................................................................................... 49 RS 2400 Stereo ......................................................................................................... 50 ● Headphones with NoiseGard™ Active Noise Compensation ● Supplementary Headphones IR and RF How the NoiseGard™ active noise compensation system works ............................ 51 Description of models .............................................................................................. 51 HDC 451-1 NoiseGard™ mobile ............................................................................... 53 RI 150 ........................................................................................................................ 56 RI 300 ........................................................................................................................ 56 HDI 380 ..................................................................................................................... 56 HDR 45-4 .................................................................................................................. 56 HDR 45-8 .................................................................................................................. 56 HDR 45-9 .................................................................................................................. 56 HDR 65-4 .................................................................................................................. 57 HDR 65-8 .................................................................................................................. 57 HDR 65-9 .................................................................................................................. 57 HDR 85-4 .................................................................................................................. 57 HDR 85-8 .................................................................................................................. 57 HDR 85-9 .................................................................................................................. 57 RR 2400 ..................................................................................................................... 57 ● Accessories HZR 62 ..................................................................................................................... 58 Headphone Cable ..................................................................................................... 58 BA 151 ...................................................................................................................... 58 L 151-2 ...................................................................................................................... 58 L 151-10 .................................................................................................................... 59 NT 92 ........................................................................................................................ 59 Models, Catalogue numbers .................................................................................... 61 Publ. 02/02 ● Index 3 2. Headphones Introduction Sennheiser’s headphone range is comprised of four different types of headphones: • • • • Dynamic headphones Electrostatic headphones Cordless infra-red headphones Wireless radio frequency headphones Description of models HD... Dynamic headphones (Headphones, Dynamic) Sennheiser’s HD range of headphones are fitted with electrodynamic transducers. They are normally equipped with a 3.5 mm stereo jack plug and a 1/4” (6.3 mm) adaptor and can therefore be connected to all standard headphone outputs (amplifiers, CD players, DAT, DCC, MD, TV, personal stereos, camcorders etc.). Sennheiser’s range includes both open and closed headphones. Closed models provide better attenuation of surrounding noise, while open headphones give a more spacious sound. HDC... HD 590 Prestige NoiseGard™ headphones (Headphones, Dynamic with noise Compensation) The HDC series of headphones are fitted with active noise compensation (NoiseGard™) circuits which considerably reduce external low frequency noise. HDC 451-1 NoiseGard™ mobile HE... Electrostatic headphones (Headphones, Electrostatic) Sennheiser’s HE headphones are fitted with electrostatic transducers. Their operation requires a polarising voltage, so a special amplifier is needed to process the audio signal. IS... Cordless infra-red systems (Infra-red System) The IS series consists of complete systems of infra-red transmitters and headphones. It incorporates both traditional analogue and modern digital technology. HDI... RI... Dynamic infra-red headphones (Headphones, Dynamic, Infra-red) Infra-red stethoset receivers (Receiver, Infra-red) As only one infra-red transmitter is necessary to operate as many infra-red headphones as desired, Sennheiser offers supplementary headphones. Classic headphones are designated by the letters HDI, stethoset receivers by the letters RI. RS .... HE 90/HEV 90 IS 380 system with HDI 380 headphones Cordless radio frequency systems (Radio frequency System) The RS series consists of complete systems of RF transmitters and headphones with integrated RF receivers. Dynamic radio frequency headphones (Headphones, Dynamic, RF) Radio frequency stethoset receivers (Receiver, RF) As RF transmitters can be used with any number of RF headphones, Sennheiser offers supplementary headphones. Classic headphones are designated by the letters HDR in their model number, RF stethoset receivers by the letters RR. RS 85 system with HDR 85 headphones Publ. 02/02 HDR .... RR .... Headphones 5 2. Dynamic Headphones How the electrodynamic transducer works Dynamic headphones operate on the moving-coil principle. The headphones’ diaphragm is attached to a coil of wire held in suspension in the field of a permanent magnet. When an alternating current (i.e. the audio signal) passes through the coil, it generates a magnetic field. This coil field interacts with that of the permanent magnet and causes the coil (and thus the diaphragm) to move forwards and backwards depending on the direction of current flow. This vibration of the diaphragm produces pressure sound waves, i.e. the original audible audio information. The entire dynamic system needs to be as lightweight as possible in order to ensure a fast transient response. For this reason, Sennheiser use coils made from aluminium copper or even pure aluminium in their high-quality headphones. Connection cables All dynamic headphones (with the exception of the HD 25 and HD 25 SP) are supplied with oxygen-free copper cables. Description of models HD headphones are equipped with dynamic transducers. Publ. 02/02 HD ... 6 Overview 2. Dynamic Headphones Cat. No. Model Brief Description Variants 04418 04419 04420 04212 04851 04850 04472 05175 05177 05178 05179 04589 04553 04195 04590 04465 02976 03759 04592 05176 05180 04393 04196 04549 04199 MX 300 MX 400 MX 500 HD 26 PX 30 PX 40 HD 433 HD 437 HD 457 HD 477 HD 497 HD 500 Fusion HD 570 Symphony HD 580 Precision HD 590 Prestige HD 600 Avantgarde HD 25 HD 25 SP HD 200 Master HD 202 HD 212 Pro HD 250 II Linear HD 265 Linear HD 270 Control HD 62 TV Stereo Open dynamic stereo in-ear headphones Open dynamic stereo in-ear headphones Open dynamic stereo in-ear headphones Open dynamic stereo mini headphones offener dynamischer Stereo-Mini-Kopfhörer offener dynamischer Stereo-Mini-Kopfhörer offener dynamischer Stereo-Kopfhörer offener dynamischer Stereo-Kopfhörer offener dynamischer Stereo-Kopfhörer offener dynamischer Stereo-Kopfhörer offener dynamischer Stereo-Kopfhörer Open dynamic stereo headphones Open dynamic stereo headphones Open dynamic stereo headphones Open dynamic stereo headphones Open dynamic stereo headphones Closed dynamic stereo headphones Closed dynamic stereo headphones Closed dynamic stereo headphones geschlossener dynamischer Stereo-Kopfhörer geschlossener dynamischer Stereo-Kopfhörer Closed dynamic stereo headphones Closed dynamic stereo headphones Closed dynamic stereo headphones Open stereo TV headphones with volume control and long cable – – – – – – – – – – – – – – – – HD 25-13 HD 25 SP-1 – – – – – – – Page 7 7 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 26 28 29 Publ. 02/02 Headphones 7 MX 300/MX 400/MX 500 2. Headphones Dynamic Headphones The MX 300, MX 400 and MX 500 are stereo in-ear headphones for listening ‘on the move’. Very lightweight and comfortable. Features • Wide dynamic range • Excellent bass response • Dual-sided highly conductive OFC copper cable • Can be connected directly to personal stereos, CD players, DAT recorders and hi-fi systems • In-ear headphones come with a practical case with an automatic cord take-up mechanism (MX 400 and MX 500 only) • Additional volume control (MX 500 only) • Colours: MX 300: black MX 400: black and silver MX 500: blue metallic Cat. No. 04418 Cat. No. 04419 Cat. No. 04420 MX 300 MX 400 MX 500 Technical Data – MX 300 Frequency response Transducer principle Nominal impedance Max. SPL THD Ear coupling Weight (without cable) Connector Connection cable 18 – 20,000 Hz dynamic, open 32 Ω 116 dB at 1 kHz, 0.5 Vrms <1% intra-aural approx. 6 g 1/8” jack plug approx. 1 m, copper cable Technical Data – MX 400 Frequency response Transducer principle Nominal impedance Max. SPL THD Ear coupling Weight (without cable) Connector Connection cable 18 – 20,000 Hz dynamic, open 32 Ω 119 dB at 1 kHz, 0.5 Vrms <1% intra-aural approx. 6 g 1/8” jack plug approx. 1 m, copper cable Technical Data – MX 500 MX 300 MX 400 MX 500 18-20,000 Hz 18-20,000 Hz 18-22,000 Hz 32 Ω <1% 6g 3.5 mm OFC 1m Recommended Accessories Frequency response Transducer principle Nominal impedance Max. SPL THD Ear coupling Weight (without cable) Connector Connection cable 18 – 22,000 Hz dynamic, open 32 Ω 119 dB at 1 kHz, 0.5 Vrms <1% intra-aural approx. 6 g 1/8” jack plug approx. 1 m, copper cable Replacement Parts Product Variants Cat. No. 70826 Publ. 02/02 Ear pads (1 pair) 8 HD 26 2. Headphones Dynamic Headphones The HD 26s are mini headphones for listening ‘on the move’. Very lightweight and comfortable. Cat. No. 04212 Features • Wide dynamic range • Excellent bass response • Single-sided, highly conductive OFC copper cable • Can be connected directly to personal stereos, CD players, DAT and MD recorders and hi-fi systems Technical Data Frequency response Transducer principle Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Weight (without cable) Connector Connection cable 50-18,500 Hz 32 Ω <1% 50 g 3.5/6.3 mm OFC 50 – 18,500 Hz dynamic, open 32 Ω 96 dB 50 mW < 1% supra-aural 50 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 1.2 m, single-sided OFC copper cable 1.2 m Recommended Accessories Replacement Parts Product Variants Cat. No. 70380 Publ. 02/02 Ear pads (1 pair) 9 PX 30 2. Headphones Dynamic Headphones The PX 30 are open, dynamic, supra-aural mini headphones for portable players. Due to their balanced sound reproduction they easily outperform conventional mini headphones. Cat. No. 04851 Features • Ideal for use with portable audio sources such as MP3 or CD players • Optimised for rock and pop music • Excellent reproduction, transparent, bass-driven sound • Bass tube for rich, full bass • Ultra-lightweight diaphragm ensures powerful sound • Lightweight and comfortable for music on the move • Connection cable made from highly conductive OFC copper • 2-year guarantee Technical Data Frequency response Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Connection cable Transducer principle Weight (without cable) Connector 30-20,00 Hz 32 Ω < 1% 65 g 3.5 mm OFC 30–20,000 Hz 32 Ω 115 dB <1% supra-aural 1m dynamic, open 65 g 3.5 mm stereo jack plug 1m Recommended Accessories Replacement Parts Product Variants Cat. No. 83396 Publ. 02/02 Ear pads (1 pair) 10 PX 40 2. Headphones Dynamic Headphones The PX 40 are open, dynamic, supra-aural mini headphones for portable players. They are fitted with a convenient in-line volume control. Cat. No. 04850 Features • Ideal for use with portable audio sources such as MP3 or CD players • Optimised for rock and pop music • Excellent sound reproduction with wide dynamics • Bass tube for rich, full bass • Ultra-lightweight diaphragm ensures powerful sound • Cable with convenient volume control • Lightweight and comfortable for music on the move • Connection cable made from highly conductive OFC copper • 2-year guarantee Technical Data Frequency response Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Connection cable Transducer principle Weight (without cable) Connector 20-20,000 Hz 32 Ω < 1% ca. 65 g 3.5 mm OFC 20–20,000 Hz 32 Ω 115 dB <1% supra-aural 1m dynamic, open ca. 65 g 3.5 mm stereo jack plug 1m Recommended Accessories Replacement Parts Product Variants Cat. No. 83396 Publ. 02/02 Ear pads (1 pair) 11 HD 433 2. Headphones Dynamic Headphones Cat. No. 04472 The HD 433 open hi-fi stereo headphones are ideal for use with hi-fi systems and personal stereos (CDs, DATs, MDs etc.). Excellent bass response. Ideal for rock and pop music. Features • Open dynamic stereo headphones • Matt black finish • 3 m highly conductive OFC copper cable • 3.5 mm stereo jack plug with 1/4” (6.3 mm) adaptor Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 22-20,000 Hz 32 Ω <1% 118 g 3.5/6.3 mm OFC 22 – 20,000 Hz dynamic, open 32 Ω approx. 94 dB 100 mW <1% supra-aural approx. 2.5 N approx. 118 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, dual-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Product Variants Cat. No. 50757 Publ. 02/02 Ear pads (1 pair) 12 HD 437 2. Headphones Dynamic Headphones With their powerful sound and crisp bass, the HD 437 open dynamic hi-fi stereo headphones are an ideal choice for modern music such as rock and pop. The lightweight headphones are the perfect partner for mobile audio sources such as MP3, MiniDisc & CD players and for use with home mini hi-fi systems. When out and about, a convenient cord take-up lets you adjust the headphone cable to the required length. Cat. No. 05175 Features • Open, supra-aural, dynamic hi-fi stereo headphones • Ideal both for mobile audio sources such as MP3, MiniDisc & CD players and home mini hi-fi systems • Specially designed damping perforation ensures rich, crisp bass response • Lightweight diaphragm material with ”turbine” embossing for extremely low bass • Powerful neodymium magnets • High levels and powerful bass for modern rhythm-driven music • Clips to the belt: cord take-up for adjusting the cable length when listening on the move • Extremely comfortable to wear due to ultra-lightweight design, even for extended listening • Rugged outdoor design with extremely flexible headband • 3m highly conductive OFC copper cable • Replaceable ear pads made from soft fabric material • 2-year guarantee Technical Data Frequency response Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Connection cable Transducer principle Weight (without cable) Connector 21-18,000 Hz 32 Ω < 0.5 % ca. 130 g 3.5/6.3 mm OFC 21–18,000 Hz 32 Ω 115 dB < 0.5 % supra-aural 3m dynamic, open ca. 130 g 3.5/6.3 mm stereo jack plug 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Ear pads (1 pair) Product Variants Cat. No. 85728 Publ. 02/02 Replacement Parts 13 HD 457 2. Headphones Dynamische Kopfhörer The HD 457 are open, dynamic hi-fi stereo headphones for both mobile audio sources such as MP3, MiniDisc & CD players and home hi-fi systems. Soul, funk, grunge and percussion music can be heard to its best advantage due to the headphones’ balanced sound image and warm bass. When out and about, a convenient cord take-up lets you adjust the headphone cable to the required length. Cat. No. 05177 Features • Open, supra-aural, dynamic hi-fi stereo headphones • Ideal both for mobile audio sources such as MP3, MiniDisc & CD players and home mini hi-fi systems • Manually inserted cellulose fleece ensures balanced sound image • Ultra-lightweight diaphragm material and powerful neodymium magnets for wide dynamics • Excellent stereo sound and warm bass for modern music such as soul, funk, grunge, etc. • Clips to the belt: cord take-up for adjusting the cable length when listening on the move • Extremely comfortable to wear due to ultra-lightweight design, even for extended listening • Rugged outdoor design with extremely flexible headband • 3m detachable highly conductive OFC copper cable • Replaceable fabric ear pads • 2-year guarantee Technical Data Frequency response Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Connection cable Transducer principle Weight (without cable) Connector 25-21,000 Hz 32 Ω < 0.5 % ca. 130 g 3.5/6.3 mm OFC 25–21,000 Hz 32 Ω 114 dB < 0.5 % supra-aural 3m dynamic, open ca. 130 g 3.5/6.3 mm stereo jack plug 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Ear pads (1 pair) Product Variants Cat. No. 85728 Publ. 02/02 Replacement Parts 14 HD 477 2. Headphones Dynamic Headphones The HD 477 are open, dynamic hi-fi stereo headphones with clear transparent sound and powerful bass reproduction. They are an ideal choice for rock and pop music. The lightweight HD 477 are the ideal partner not only for your home hi-fi system but also for portable players when you're out and about. Cat. No. 05178 Features • Open, supra-aural, dynamic hi-fi stereo headphones • Ideal at home or on the move • Ultra-lightweight and comfortable for extended listening • Rugged design • Clear, crisp sound with wide dynamics • High-quality neodymium magnets and lightweight diaphragms for powerful sound and rich bass • Detachable connection cable made from highly conductive OFC copper • Long service life due to easily replaceable parts such as ear pads and cables • 2-year guarantee Technical Data Frequency response Transducer principle Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Connection cable Weight (without cable) Connector 37-21,000 Hz 32 Ω < 0.2 % ca. 130 g 3.5/6.3 mm OFC 37–21,000 Hz dynamic 32 Ω 109 dB < 0.2 % supra-aural 3m ca. 130 g 3.5/6.3 mm stereo jack plug 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Replacement Parts Product Variants Cat. No. 85728 Cat. No. 83380 Publ. 02/02 Ear pads (1 pair) Connection cable 15 HD 497 2. Headphones Dynamic Headphones The HD 497 open, dynamic hi-fi stereo headphones deliver crystal-clear, welldefined trebles and absolute precision across all audio frequencies. These versatile headphones are especially impressive with jazz and modern, bass-driven music. The HD 497 feature rugged design and easily replaceable parts for long life, such as the OFC connection cable or ear pads. The HD 497 are ideal for hi-fi systems but also for portable players. Cat. No. 05179 Features • Open, supra-aural, dynamic hi-fi stereo headphones • Excellent sound at home or on the move • Balanced and very detailed sound reproduction with transparent treble • Ultra-lightweight and comfortable for extended listening • Rugged design • High-quality neodymium magnets and lightweight diaphragms for powerful sound and rich bass • Detachable connection cable made from highly conductive OFC copper • Long service life due to easily replaceable parts such as ear pads and cables • 2-year guarantee Technical Data Frequency response Transducer principle Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Connection cable Weight (without cable) Connector 24-22.000 Hz 32 Ω < 0.2 % ca. 130 g 3.5/6.3 mm OFC 24–22,000 Hz dynamic 32 Ω 112 dB < 0.2 % supra-aural 3m ca. 130 g 3.5/6.3 mm stereo jack plug 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Replacement Parts Product Variants Cat. No. 83379 Cat. No. 83380 Publ. 02/02 Ear pads (1 pair) Connection cable 16 HD 500 Fusion 2. Headphones Dynamic Headphones The HD 500 Fusion is a pair of open dynamic hi-fi stereo headphones with clear, accurate tonal quality. They feature a single-sided, highly conductive OFC copper cable, Duofol diaphragms and an innovative damping element for controlling diaphragm oscillation. Features • High-definition hi-fi stereo headphones • Very comfortable to wear due to BioNetic™ design • New Sennheiser patented damping element for controlling diaphragm oscillation • Detailed, analytic sound reproduction • Fresh, balanced sound and powerful bass • Duofol diaphragms to reduce standing waves • Detachable, single-sided connection cable made from highly conductive OFC copper, strengthened with Kevlar • Replaceable parts for long life Cat. No. 04589 Cat. No. 04588 Cat. No. 04484 (English, French) (Am. English, Spanish) (German, Italian) Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Frequency characteristic Nominal impedance Characteristic SPL THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 14-21,000 Hz 32 Ω < 0.2 % 210 g 3.5/6.3 mm OFC 14 – 21,000 Hz dynamic, semi-open diffuse field equalised 32 Ω 105 dB at 1 kHz, 1 Vrms < 0.2 % at 1 kHz, 110 dB SPL circumaural approx. 2.5 N approx. 210 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable single-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Replacement Parts Product Variants Cat. No. 75566 Cat. No. 73469 Publ. 02/02 Ear pads (1 pair) Connection cable (Further replacement parts on request.) 17 HD 570 Symphony 2. Headphones Dynamic Headphones The HD 570 Symphony are audiophile-quality, open dynamic hi-fi stereo headphones with an advanced diaphragm design that eliminates standing waves in the diaphragm material. They are suitable for use with hi-fi and recording systems of the highest quality, in particular CD and DVD players or DAT and MD recorders. Features • High-definition hi-fi stereo headphones • BioNetic™ design, headphones adapt to the shape of the head • Superbly spatial, transparent sound reproduction • Extremely lightweight voice coils for fast transient response • Innovative damping element for controlling the diaphragm oscillation, optimally matches the headphones to all sound sources • Detachable, robust, single-sided connection cable made from Kevlar-reinforced OFC copper • Velour earpads Cat. No. 04553 Cat. No. 04552 Cat. No. 04485 (English, French) (Am. English, Spanish) (German, Italian) Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Frequency characteristic Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 18-22,000 Hz 120 Ω < 0.2 % 210 g 3.5/6.3 mm OFC 18 – 22,000 Hz dynamic, open diffuse field equalised 64 Ω 95 dB 0.2 W < 0.2 % circumaural approx. 2.5 N approx. 210 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable single-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Product Variants Cat. No. 75503 Cat. No. 73469 Publ. 02/02 Ear pads (1 pair) Connection cable (Further replacement parts on request.) 18 HD 580 Precision 2. Headphones Dynamic Headphones The HD 580 Precision are audiophile-quality, open dynamic hi-fi/professional stereo headphones. The advanced diaphragm design eliminates standing waves in the diaphragm material. The HD 580 Precision can be connected directly to hi-fi systems of the highest quality, in particular DAT, DVD, MiniDisc and CD players. These headphones are an ideal choice for the professional recording engineer recording classical music. Features • Computer-optimised magnet systems minimise harmonic and intermodulation distortion • Extremely lightweight aluminium voice coils ensure excellent transient response • Neodymium ferrous magnet systems ensure optimum sensitivity and a very wide dynamic range • Exceptionally natural, spatial and accurate sound • Detachable OFC copper cable, Kevlar-reinforced, with very low handling noise Cat. No. 04195 Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Frequency characteristic Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 12-38,000 Hz 300 Ω < 0.1 % 260 g 3.5/6.3 mm OFC 12 – 38,000 Hz dynamic, open diffuse field equalised 300 Ω 97 dB 0.2 W ≤ 0.1 % circumaural approx. 2.5 N 260 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable dual-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Product Variants Cat. No. 50635 Publ. 02/02 Ear pads (1 pair) 19 HD 590 Prestige 2. Headphones Dynamic Headphones The audiophile-quality HD 590 Prestige open circumaural headphones ensure unadulterated listening pleasure with outstanding clarity. Selected materials and the computer-optimised design make these headphones exceptionally comfortable to wear. Cat. No. 04590 Cat. No. 04591 Cat. No. 04486 (English, French) (Am. English, Spanish) (German, Italian) Features • Top-of-the-range high-definition open-back hi-fi stereo headphones • Superbly natural sound reproduction and better localisation of sounds due to new transducer orientation (patent pending) • Large-surface Duofol diaphragms eliminate standing waves in the capsule • Extremely lightweight 18-mm aluminium voice coils for fast transient response with excellent linearity, suitable for professional monitoring • New Sennheiser patented damping element for controlling diaphragm oscillation • Computer-optimised neodymium ferrous magnet systems minimise harmonic distortion • Detachable, single-sided connection cable made from Kevlar-reinforced, highly conductive OFC copper Technical Data Frequency response Transducer principle Frequency characteristic Impedance Characteristic SPL THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 12-38,000 Hz 120 Ω < 0.1 % 270 g 3.5/6.3 mm OFC 12 – 38,000 Hz dynamic, open diffuse field equalised 120 Ω 97 dB at 1 kHz, 1 mW < 0.1 % at 1 kHz, 110 dB SPL circumaural approx. 2.5 N approx. 270 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable single-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Replacement Parts Product Variants Cat. No. 77906 Cat. No. 73469 Publ. 02/02 Ear pads (1 pair) Connection cable 20 HD 600 Avantgarde 2. Headphones Dynamic Headphones The HD 600 Avantgarde are audiophile-quality, open dynamic hi-fi/professional stereo headphones. The advanced diaphragm design eliminates standing waves in the diaphragm material. The HD 600 can be connected directly to hi-fi systems of the highest quality, in particular DAT, DVD, MD and CD players. These headphones are an ideal choice for the professional recording engineer recording classical music. Features • Sophisticated design, elegantly finished in black and grey • High-quality, open metal mesh earpiece covers for an extremely transparent sound • Computer-optimised magnet systems minimise harmonic and intermodulation distortion • Extremely lightweight aluminium voice coils ensure excellent transient response • Neodymium ferrous magnet systems for optimum sensitivity and a wide dynamic range • Exceptionally natural, spatial and accurate sound • Detachable OFC copper cable, Kevlar-reinforced, with very low handling noise Cat. No. 04465 Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Frequency characteristic Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 12-39,000 Hz 300 Ω < 0.1 % 260 g 3.5/6.3 mm OFC 12 – 39,000 Hz dynamic, open diffuse field equalised 300 Ω 97 dB 0.2 W ≤ 0.1 % circumaural approx. 2.5 N 260 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable dual-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Product Variants Cat. No. 50635 Publ. 02/02 Ear pads (1 pair) 21 HD 25 2. Headphones Dynamic Headphones Cat. No. 02976 The closed-back HD 25s are purpose-designed, professional monitoring headphones offering high attenuation of background noise. Capable of handling very high sound pressure levels and of extremely robust construction, these headphones perform exceptionally well in high-noise environments, e.g. ENG, sound reinforcement, studio monitoring and audio equipment testing. The capsule is rotatable for one-ear listening. Ideal monitoring headphones for cameramen and DJs. Features • High sensitivity due to lightweight aluminium voice coils • Very good attenuation of background noise • Low weight • Adjustable split headband for exceptional comfort • Replaceable, single-sided steel connection cable • Delivery includes: 1 HD 25 1 cable clip Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 16 – 22,000 Hz –3 dB dynamic, closed 70 Ω 120 dB 0.2 W < 0.3 % supra-aural approx. 2.5 N approx. 140 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 1.5 m, single-sided steel cable Profile 70 Ω < 0.3 % 140 g 3.5/6.3 mm steel 1.5 m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Ear pads (1 pair) Velour ear pads (optional) (1 pair) Connection cable Cat. No. 40179 Cat. No. 69417 Cat. No. 40180 Closed dynamic professional headphones for use in noisy environments, with high sensitivity and a sound pressure level of 120 dB. Adjustable headband and earpieces for professional monitoring applications. Frequency response 16 Hz to 22 kHz, total harmonic distortion < 0.3 %, nominal impedance 70 Ω, load rating 0.2 W. 1.5 m steel cable with 3.5 mm rightangled stereo jack plug with adaptor to 1/4” (6.3 mm) jack plug. Product Variants HD 25-13 as HD 25, but 600 Ω version with 3 m cable terminating in a 1/4” (6.3 mm) stereo jack plug Cat. No. 03353 Publ. 02/02 16-22,000 Hz 22 HD 25 SP 2. Headphones Dynamic Headphones Cat. No. 03759 The HD 25 SP are closed dynamic headphones for monitoring, recording and outdoor applications. They are a lower-cost alternative to the HD 25, featuring a simpler headband and a slightly different capsule design. Features • Very lightweight, comfortable even if used for long periods • Effective attenuation of background noise minimises risk of feedback • High maximum sound pressure level • 85 Ω nominal impedance ensures universal compatibility • Tough, detachable stranded steel cable • Neodymium ferrous magnet systems and lightweight aluminium/copper voice coils for fast transient response Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 30 – 16,000 Hz –3 dB dynamic, closed 85 Ω 100 dB ± 2 dB 0.2 W < 0.4 % supra-aural approx. 3 N 115 g 1/ ” (6.3 mm) Ø 4 stereo jack 3 m, detachable dual-sided steel cable Profile 30-16,000 Hz 85 Ω < 0.4 % 115 g 6.3 mm steel Closed dynamic headphones for monitoring in noisy environments, high sensitivity, sound pressure level 100 dB. Frequency response 30 Hz to 16 kHz, THD 3m Recommended Accessories Stereo volume control HZR 62 (for HD 25 SP-1 only) Cat. No. 05248 < 0.4 %, nominal impedance 85 Ω, load rating 0.2 W. 3 m steel cable with 1/4” (6.3 mm) stereo jack plug. Replacement Parts Cat. No. 40179 Cat. No. 69417 Product Variants HD 25 SP-1 as HD 25 SP, but with 3.5 mm / 1/4” stereo jack and 65 Ω nominal impedance Cat. No. 04173 Publ. 02/02 Ear pads (1 pair) Velour ear pads (optional) (1 pair) 23 HD 200 Master 2. Headphones Dynamic Headphones The HD 200 Master is a pair of closed circumaural stereo headphones with powerful dynamics. Due to their high attenuation of background noise, these headphones are ideal for DJ monitoring. A lightweight construction and new ergonomic design ensure excellent comfort for long hours of listening. The singlesided, Kevlar-reinforced, highly conductive OFC copper cable can easily be replaced. Cat. No. 04592 Cat. No. 04593 Cat. No. 04478 (English, French) (Am. English, Spanish) (German, Italian) Features • Closed circumaural stereo headphones • Very lightweight, comfortable even if used for long periods • Ideal for DJ monitoring • Very comfortable to wear due to BioNetic design • Effective attenuation of ambient noise minimises risk of feedback • High maximum sound pressure level • Neodymium ferrous magnet systems for optimum audio performance • Replaceable parts for long life Technical Data Frequency response Transducer principle Frequency characteristic Impedance Characteristic SPL THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 12-22,000 Hz 64 Ω < 0.3 % 140 g 3.5/6.3 mm OFC 12 – 22,000 Hz dynamic, closed diffuse field equalised 64 Ω 106 dB at 1 kHz, 1 Vrms < 0.3 % at 1 kHz circumaural approx. 5 N approx. 140 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable single-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Replacement Parts Product Variants Cat. No. 77905 Cat. No. 73469 Publ. 02/02 Ear pads (1 pair) Connection cable 24 HD 202 2. Headphones Dynamic Headphones The HD 202 closed, dynamic hi-fi stereo headphones are the ideal partner for DJs and powerful modern music, providing good insulation against ambient noise and a vivid, crisp bass response. The rugged lightweight headphones have a secure fit and can be used for both mobile sources and home (mini) hi-fi systems. When out and about, a convenient cord take-up lets you adjust the headphone cable to the required length. Cat. No. 05176 Features • Closed, supra-aural, dynamic hi-fi stereo headphones • For DJs, ideal for both mobile sources and home mini hi-fi systems • Good attenuation of ambient noise • Earcups can be removed from the headband • Specially designed damping perforation ensures powerful bass response • Lightweight diaphragm material with ”turbine” embossing for extremely low bass • Powerful neodymium magnets and lightweight diaphragms for high sound levels • Powerful bass and increased signal levels for modern rhythm-driven music • Clips to the belt: cord take-up for adjusting the cable length when listening on the move • Extremely comfortable to wear due to ultra-lightweight design, even for extended listening • Rugged outdoor design with extremely flexible headband • 3m highly conductive OFC copper cable • Replaceable leatherette ear pads • 2-year guarantee Technical Data Frequency response Transducer principle Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Weight (without cable) Connector Connection cable 18-18,000 Hz 32 Ω < 0.5 % ca. 130 g 3.5/6.3 mm OFC 18–18,000 Hz dynamic, closed 32 Ω 115 dB < 0.5 % supra-aural ca. 130 g 3.5/6.3 mm stereo jack plug 3m 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Ear pads (1 pair) Product Variants Cat. No. 85709 Publ. 02/02 Replacement Parts 25 HD 212 Pro 2. Headphones Dynamic Headphones The HD 212 Pro closed dynamic hi-fi stereo headphones have a balanced sound image with a slight emphasis on the bass response. DJs will like their excellent attenuation of ambient noise and the soft, comfortable ear pads. Cat. No. 05180 Features • Closed, supra-aural, dynamic hi-fi stereo headphones • Ideal for DJs • Good attenuation of ambient noise • Earcups can be removed from the headband • Specially designed damping perforation ensures powerful bass response • Lightweight diaphragm material with ”turbine” embossing for extremely low bass • Extra-thin diaphragm for precise trebles • Well defined mid-band and spatial sound reproduction due to foam damping element • High levels and powerful bass for modern rhythm-driven music • Extremely comfortable to wear due to ultra-lightweight design, even for extended listening • 3m detachable highly conductive OFC copper cable • Replaceable leatherette ear pads • 2-year guarantee Technical Data Frequency response Nominal impedance Characteristic SPL at 1 kHz THD Ear coupling Connection cable Transducer principle Weight (without cable) Connector 12-19,00 Hz 32 Ω < 0.2% ca. 130 g 3.5/6.3 mm OFC 12–19,000 Hz 32 Ω 112 dB < 0.2 % supra-aural 3m dynamic, closed ca. 130 g 3.5/6.3 mm stereo jack plug 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Product Variants Cat. No. 85709 Cat. No. 83380 Publ. 02/02 Ear pads (1 pair) Connection cable 26 HD 250 II Linear 2. Headphones Dynamic Headphones The HD 250 II Linear are closed dynamic hi-fi stereo headphones with the feel of an open design. They are an ideal choice not only for professional monitoring and live sound recording, but also for use with high-end hi-fi systems where they ensure undisturbed enjoyment of music. Features • Precise sound reproduction with wide dynamics • Extremely lightweight aluminium voice coils ensure an excellent transient response • Neodymium ferrous magnet systems for optimum sensitivity • Diffuse field equalised for unadulterated listening • Detachable OFC copper cable, very low handling noise Cat. No. 04393 Diffuse Field Frequency Response Technical Data Frequency response 5 – 40,000 Hz –10 dB 10 – 25,000 Hz –3 dB Transducer principle dynamic, closed Frequency characteristic diffuse field equalised Nominal impedance 300 Ω Characteristic SPL at 1 kHz 94 dB Load rating 200 mW THD < 0.2 % Ear coupling circumaural Contact pressure 3N Weight (without cable) 215 g Connector 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug Connection cable 3 m, detachable dual-sided OFC copper cable 10-25,000 Hz 300 Ω < 0.2 % 215 g 3.5/6.3 mm OFC 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Product Variants Cat. No. 34183 Publ. 02/02 Ear pads (1 pair) 27 HD 265 Linear 2. Headphones Dynamic Headphones The HD 265 Linear are closed dynamic stereo headphones which also satisfy professional demands. They are equally suitable for professional monitoring and for use with hi-fi systems where they ensure undisturbed enjoyment of music and fine reproduction of detail. Features • Extremely lightweight aluminium voice coils for an excellent transient response • Neodymium ferrous magnet systems ensure optimum sensitivity • Diffuse field equalised for unadulterated listening • Ergonomic design • Detachable OFC copper cable, very low handling noise Cat. No. 04196 Diffuse Field Frequency Response Technical Data Frequency response Transducer principle Frequency characteristic Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 10-25,000 Hz 150 Ω < 0.15 % 215 g 3.5/6.3 mm OFC 10 – 25,000 Hz dynamic, closed diffuse field equalised 150 Ω 94 dB 200 mW < 0.15 % circumaural 3N 215 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable dual-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat. No. 05248 Replacement Parts Product Variants Cat. No. 66235 Publ. 02/02 Ear pads (1 pair) 28 HD 270 Control 2. Headphones Dynamic Headphones The HD 270 Control closed monitoring headphones satisfy the most stringent professional demands. Neodymium ferrous magnet systems ensure optimum sensitivity and a very wide dynamic range. An innovative, Sennheiser patented damping element controls diaphragm oscillation, thus ensuring a superbly spatial, transparent and balanced sound reproduction. Cat. No. 04594 Cat. No. 04595 Cat. No. 04479 (English, French) (Am. English, Spanish) (German, Italian) Features • Closed circumaural high-definition stereo headphones • Ideal for both studio and DJ monitoring • Headphones adapt to the shape of the head due to BioNetic™ design • High maximum sound pressure level • New damping element for controlling diaphragm oscillation • Excellent attenuation of ambient noise (–10 dB to –15 dB) • Detachable, single-sided connection cable made from highly conductive OFC copper • Replaceable parts for long life Technical Data Frequency response Transducer principle Frequency characteristic Impedance Characteristic SPL THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 12-22,000 Hz 64 Ω < 0.2 % 220 g 3.5/6.3 mm OFC 12 – 22,000 Hz dynamic, closed diffuse field equalised 64 Ω 106 dB at 1 kHz, 1 Vrms < 0.2 % at 1 kHz circumaural approx. 5 N approx. 220 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug 3 m, detachable single-sided OFC copper cable 3m Recommended Accessories Stereo volume control HZR 62 Cat No. 05248 Replacement Parts Product Variants Cat. No. 77904 Cat. No. 73469 Publ. 02/02 Ear pads (1 pair) Connection cable 29 HD 62 TV 2. Headphones Dynamische Kopfhörer The HD 62 TV is a pair of closed TV stereo headphones, with an extra-long connection cable that has an integrated volume control, for direct connection to TV sets. The headphones feature excellent speech intelligibility and a good reproduction of the TV sound. The volume control has separate controls for the left and right channels and can thus be individually adapted to your hearing. Cat. No. 05181 Features • Closed, dynamic TV stereo headphones • Eliminates annoying headphone tizz: due to their closed design, the HD 62 TV headphones not only attenuate ambient noise for the user but also prevent others from being disturbed by leaking sound • Very comfortable to wear due to lightweight yet rugged design, ideal even for long TV nights • Clear stereo sound, excellent speech intelligibility • Powerful neodymium magnets and ultra-lightweight diaphragms for high levels • Integrated volume control, left and right channels can be adjusted separately • 6m highly conductive OFC copper cable • 3.5/6.3 mm (_”) stereo jack plug ensures universal compatibility • Replaceable leatherette ear pads, detachable extension cable with volume control • 2-year guarantee Technical Data Frequency response Transducer principle Impedance Schalldruckpegel THD Ear coupling Weight (without cable) Connector Connection cable 25-20,000 Hz 32 Ω < 0.5 % ca. 140 g 3.5/6.3 mm OFC 25–20,000 Hz dynamic, closed 32 Ω 115 dB (SPL) < 0.5 % supra-aural ca. 140 g 3.5/6.3 mm stereo jack plug 0.8 m + 5.2 m 6m Recommended Accessories Replacement Parts Product Variants HZR 62 Cat. No. 85708 Cat. No. 83380 Cat. No. 05248 Publ. 02/02 Ear pads (1 pair) Connection cable Stereo volume control Headphones 31 2. Electrostatic Headphones How electrostatic transducers work Electrostatic transducers are comprised of an ultra-thin diaphragm sandwiched between two acoustically transparent electrodes which drive the diaphragm over its entire surface. The diaphragm consists of an extremely thin gold-plated polymer foil which responds to the slightest changes in the audio signal. Its elliptic shape suppresses standing waves, which can result at the edge from the even flow of the shape. The two honeycomb, perforated electrodes, made from high-tensile special glass and plated on one side, have been specially developed to produce a high polarisation voltage and ensure an outstandingly high level of sensitivity. Connection cable Electrostatic headphones are equipped with an oxygen-free 6-core OFC copper cable as standard. Description of models HE headphones are equipped with electrostatic transducers. Publ. 02/02 HE... 33 Overview 2. Electrostatic Headphones Cat. No. Model Brief Description Variants 03073 03074 HE 90 Orpheus™ HEV 90 Orpheus™ Electrostatic stereo headphones Audiophile-quality valve (vacuum tube) amplifier – Page 35 Publ. 02/02 Headphones 35 HE 90/HEV 90 Orpheus™ 2. Headphones Electrostatic Headphones Cat. No. 03073 HE 90 Cat. No. 03074 HEV 90 The Orpheus combination offers the audiophile the ultimate in reference sound reproduction. “The Best Headphones In The World” – that is the unanimous verdict on the Orpheus reached by the international trade press. Audiophile limited edition – only 300 systems worldwide. Features HE 90 Headphones • Electrostatic transducer principle • 1 µm diaphragm • Electrodes made from special glass Technical Data – Headphones HEV 90 Amplifier • High-end valve (vacuum tube) amplifier • All valve analogue signal path • On-board dedicated bit-stream digital to analogue converter Transducer principle Ear coupling Frequency response Frequency characteristic Contact pressure THD at SPL of 110 dB (94 dB) Nominal sensitivity (V = 100 V) Polarisation voltage Weight (without cable) Connector Connection cable Dimensions electrostatic circumaural 7 – 100,000 Hz (–10 dB) 14 – 85,000 Hz (–6 dB) 25 – 75,000 Hz (–3 dB) diffuse field equalised 4.6 N < 0.1 % (< 0.01 %) ≥ 98 dB/1 kHz 500 V 365 g 5-pin HV plug 3 m, 6-core OFC copper cable, gold-plated contacts 19 x 10 x 21.5 cm Technical Data – Amplifier < 0.01 % 7-100,000 Hz 365 g HV connector HEV 90 OFC, 3 m 10-20,000 Hz 13 kg Recommended Accessories Replacement Parts Ear pads (1 pair) Product Variants Cat. No. 68932 Outputs Weight Dimensions 10 – 20,000 Hz (–0.25 dB) < 0.01 % ≥ 80 dB 10 kΩ ≥ 80 dB 400 Vrms optical, digital (Toslink) co-axial, digital (RCA phono) (automatic recognition of incoming sampling frequency) co-axial, analogue (RCA phono) for 2 HE 90 headphones approx. 13 kg 53 x 34 x 15.5 cm Publ. 02/02 HE 90 Frequency response THD (1 kHz) Unweighted S/N ratio Sensitivity/impedance Crosstalk attenuation (1 kHz) Output voltage Line inputs (switchable) Headphones 37 2. Cordless IR Headphones How infra-red technology works Cordless infra-red audio transmission overcomes the constrictions of a headphone cable. Modulated infra-red light replaces the cable linking the sound source to the headphones. The basic infra-red transmission path consists of a transmitting diode which radiates the infra-red light, and a corresponding infra-red receiving diode. This is also the operating principle of, for example, a television infra-red remote control. The transmitter emits the IR light from a row of light-emitting diodes (LEDs). The radiated light has a wavelength of approximately 880 nm or 950 nm, depending on the type of diode used. The light is not radiated at a single frequency, but over a narrow range of frequencies in the infra-red light spectrum. The infra-red diodes are modulated by varying the intensity of the light they emit. The simplest form of modulation operates by varying the intensity of the light in relation to the sound signal. However, low frequencies are subject to interference from fluorescent lights in this type of system, so Sennheiser uses a combination of amplitude and frequency modulation. Each channel of a stereo signal uses a carrier frequency that is amplitude-modulated, the audio signal is then frequency-modulated onto this carrier. By the use of modern technology, carrier frequencies of up to 2.8 MHz can be used. The optical power output of an infra-red diode is only about 16 mW (GaAs) or 20 mW (GaAlAs), so a number of emitter diodes are used to increase the overall radiating power of the transmitter, with the radiated pattern being controlled by the diode’s lens. The transmitter diodes work in conjunction with the receiver’s photodiodes which convert the incoming infra-red light signal back into an electrical signal. When light is received by the photodiode, a current is generated in the diode. Because of the very small photosensitive surface area of 7 mm2, receiver diodes are usually used in conjunction with convex “frog eye” shaped lenses. A “black filter” is also used with the receiver diode to filter out the effects of visible light. Infra-red audio transmission is the ideal solution where cordless headphones are required for different sound systems in the same building, as the infra-red signal is restricted to the room. IS.... Complete systems consisting of infra-red transmitters and headphones can be identified by the inclusion of the letters IS in their model number. HDI .... Supplementary IR headphones are designated by the letters HDI in their model number. RI .... Supplementary IR stethoset receivers are designated by the letters RI in their model number. Publ. 02/02 Description of models Cordless IR Headphones Cat. No. Model Brief Description 04379 IS 150 Mono Stethoset system, consisting of infra-red transmitter and mono stethoset receiver 04151 04152 04449 04450 04451 IS 300 Stereo IS 380 Variants Page IS 150-120 IS 150-UK 39 IS 300-120 IS 300-UK 40 IS 380-120 IS 380-UK 41 Stethoset system, consisting of infra-red transmitter and stereo stethoset receiver Headphone system, consisting of infra-red transmitter and hi-fi stereo headphones Publ. 02/02 04380 04381 04150 38 Overview 2. Headphones 39 IS 150 Mono 2. Headphones Cordless IR Headphones The IS 150 Mono system consists of the TI 150 infra-red transmitter and the RI 150 infra-red mono stethoset receiver and can be connected directly to television sets fitted with a headphone jack socket. The stethoset headphones feature an on/off/volume control. One transmitter can supply several RI 150 stethoset receivers. Cat. No. 04379 Features • Very easy to use • Excellent speech intelligibility, good music reproduction • Transmitter with radiating power for rooms of up to 60 m2 • Excellent transmission reliability due to new carrier frequency (2.3 MHz) • Receiver powered by environmentally friendly NiMH rechargeable accupack • Transmitter can charge two accupacks at the same time • Lightweight receiver (45 g incl. accupack), very comfortable to wear • Delivery includes: 1 RI 150 mono stethoset receiver, 1 BA 151 accupack, 1 TI 150 transmitter, 1 plug-in mains unit, 1 spare set of ear-cushions, 1 AF connection cable with 3.5 mm/1/4” jack plug Technical Data – RI 150 Stethoset Receiver Modulation Receiving frequency Frequency response THD Signal-to-noise ratio Max. SPL Operating time Weight (incl. accupack) Dimensions FM, mono 2.3 MHz 18 – 18,000 Hz <1% typ. 70 dB approx. 110 dB approx. 6 h per accupack 45 g 137 x 188 x 20 mm Technical Data – TI 150 Transmitter RI 150 18-18,000 Hz TI 150 45 g 18-18,000 Hz 2.3 MHz 3.5/6.3 mm Recommended Accessories Accupack Suppl. stethoset receiver Replacement ear-cushions Replacement ear-cushions BA 151 RI 150 EP 1 (black, firmer version, 4 pieces) EP 2 (transp., softer version, 4 pieces) Cat. No. 04146 Cat. No. 04383 Cat. No. 04655 Cat. No. 04656 Modulation Carrier frequency Frequency response THD Signal-to-noise ratio FM, mono 2.3 MHz 18 – 18,000 Hz <1% typ. 70 dB Power consumption Power supply European version USA version UK version Connector 7 VA via plug-in mains unit NG 12-DC NG 12-120 NG 12-UK 3.5 mm jack plug with adaptor to 1/4” (6.3 mm) jack plug approx. 170 g 135 x 35 x 88 mm Weight Dimensions Total height (transmitter with receiver) 205 mm Replacement Parts Cat. No. 37080 Cat. No. 40949 Cat. No. 47874 Product Variants IS 150-120 IS 150-UK as IS 150, but with USA plug-in mains unit and AF connection cable with RCA phono connector Cat. No. 04380 as IS 150, but with UK plug-in mains unit Cat. No. 04381 Publ. 02/02 Replacement ear-cushions, black (firmer version) Replacement ear-cushions, transparent (softer version) Adaptor cable for connection to SCART socket 40 IS 300 Stereo 2. Headphones Cordless IR Headphones The IS 300 Stereo system consists of the TI 300 infra-red transmitter and the RI 300 infra-red stereo stethoset receiver. It can be connected directly to television sets and hi-fi systems via the headphone jack socket. The stethoset headphones feature an on/off/volume control. One transmitter can supply several RI 300 stethoset receivers. Cat. No. 04150 Features • Very easy to use • Excellent speech intelligibility, good music reproduction • Transmitter with radiating power for rooms of up to 60 m2 • Excellent transmission reliability due to new carrier frequencies (2.3/2.8 MHz) • Receiver powered by environmentally friendly NiMH rechargeable accupack • Transmitter can charge two accupacks at the same time • Lightweight receiver (45 g incl. accupack), very comfortable to wear • Delivery includes: 1 RI 300 stereo stethoset receiver, 1 BA 151 accupack, 1 TI 300 transmitter, 1 plug-in mains unit, 1 spare set of ear-cushions, 1 AF connection cable w. 3.5 mm/1/4” jack plug Technical Data – RI 300 Stethoset Receiver Modulation Receiving frequencies Frequency response THD Signal-to-noise ratio Max. SPL Operating time Weight (incl. accupack) Dimensions FM, stereo 2.3/2.8 MHz 18 – 18,000 Hz <1% typ. 64 dB approx. 110 dB approx. 5 h per accupack 45 g 137 x 188 x 20 mm Technical Data – TI 300 Transmitter RI 300 18-18,000 Hz TI 300 45 g 18-18,000 Hz 2.3/2.8 MHz 3.5/6.3 mm Recommended Accessories Accupack Suppl. stethoset receiver Replacement ear-cushions Replacement ear-cushions BA 151 RI 300 EP 1 (black, firmer version, 4 pieces) EP 2 (transp., softer version, 4 pieces) Cat. No. 04146 Cat. No. 04378 Cat. No. 04655 Cat. No. 04656 Modulation Carrier frequencies Frequency response THD Signal-to-noise ratio FM, stereo 2.3/2.8 MHz 18 – 18,000 Hz <1% typ. 64 dB Power consumption Power supply European version USA version UK version Connector 10 VA via plug-in mains unit NG 20 NT 20-120 NT 20-UK 3.5 mm jack plug with adaptor to 1/4” (6.3 mm) jack plug approx. 180 g 135 x 35 x 88 mm Weight Dimensions Total height (transmitter with receiver) 205 mm Replacement Parts Cat. No. 37080 Cat. No. 40949 Cat. No. 47874 Product Variants IS 300-120 IS 300-UK as IS 300, but with USA plug-in mains unit and AF connection cable with RCA phono connector Cat. No. 04151 as IS 300, but with UK plug-in mains unit Cat. No. 04152 Publ. 02/02 Replacement ear-cushions, black (firmer version) Replacement ear-cushions, transparent (softer version) Adaptor cable for connection to SCART socket 41 IS 380 2. Headphones Cordless IR Headphones Cat. No. 04449 The IS 380 system consists of the TI 380 infra-red transmitter and HDI 380 hi-fi stereo headphones. High sound quality is matched by excellent comfort for the wearer and modern styling. The transmitter can be connected to the headphone socket of any sound source. Features • Headphones extremely comfortable to wear • Can be connected to televisions, hi-fi systems, CD players and DAT or MD recorders • High sound quality • Delivery includes: 1 pair of HDI 380 headphones, 1 BA 151 accupack, 1 TI 380 transmitter, 1 plug-in mains unit, 1 AF connection cable with 3.5 mm/1/4” jack plug Technical Data – HDI 380 Headphones Modulation Carrier frequencies Frequency response THD Signal-to-noise ratio Operating time Max. SPL Weight HDI 380 20-19,000 Hz <1% TI 380 190 g Technical Data – TI 380 Transmitter 2.3/2.8 MHz 3.5/6.3 mm Recommended Accessories Accupack BA 151 Supplementary headphones HDI 380 FM 2.3/2.8 MHz 20 – 19,000 Hz <1% typ. 46 dB(A) approx. 4 h per accupack approx. 106 dB approx. 190 g Cat. No. 04146 Cat. No. 04571 Modulation Carrier frequencies THD Signal-to-noise ratio Power consumption Weight Connector FM 2.3/2.8 MHz <1% typ. 46 dB(A) 3 VA approx. 190 g 3.5 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug Replacement Parts Cat. No. 70831 Cat. No. 47874 Product Variants IS 380-120 IS 380-UK as IS 380, but with USA plug-in mains unit as IS 380, but with UK plug-in mains unit Cat. No. 04450 Cat. No. 04451 Publ. 02/02 Ear pads (1 pair) Adaptor cable for connection to SCART socket Headphones 43 2. Wireless RF Headphones How radio frequency technology works Sennheiser’s latest headphone development are wireless headphone systems with RF audio transmission. Here, the cable linking the sound source to the headphones is replaced by radio waves – just as infra-red light replaces the cable for infra-red headphones. The basic RF transmission path consists of a transmitter connected to the sound source which transmits the audio signal to an RF receiver integrated into the headphones. In the transmitter, the audio signal is modulated onto an RF carrier and then radiated via the transmitter’s antenna. The RF headphones have a built-in receiver which picks up the radiated signal, demodulates it and converts it back to the original audio signal. Most Sennheiser RF systems feature three switchable channels, thus ensuring optimum reception – systems which are operated close to one another can be set to different channels. Of course, the transmitter and the headphone receiver have to operate on the same frequency, so the headphones have a tuning control to set them to the channel chosen on the transmitter. A special filter protects the headphone receiver against interfering signals e.g. from amateur radio transmission. The technology used is basically that of the tried and tested RF transmission systems used on stage – only that, with headphones, the sound transmitted is directly reproduced and the receiver is mobile. The great advantage of RF transmission over infra-red transmission is that the RF audio signal can travel through walls and ceilings – which offers an unmatched freedom of movement. Sennheiser RF headphones can have a range of up to about 100 m (925 MHz models have lower range), so the user can move around in the house or even outside, e.g. in the garden. Please note: Due to varying licensing regulations, not all headphone systems are legal in all countries. We would therefore advise purchasing a system only in the country of intended use. RS .... Complete systems consisting of RF transmitters and headphones can be identified by the inclusion of the letters RS in their model number. HDR .... Supplementary RF headphones are designated by the letters HDR in their model number. RR .... Supplementary RF stethoset receivers are designated by the letters RR in their model number. Publ. 02/02 Description of models 44 Overview 2. Wireless RF Headphones Cat. No. Model Brief Description Variants 04806 04807 04808 04809 04810 04811 04812 04813 04948 04949 04950 04951 04952 04953 04954 04955 04956 04957 04958 04959 04387 RS 30 Headphone system, consisting of radio frequency transmitter and radio frequency hi-fi stereo headphones RS 40 Headphone system, consisting of radio frequency transmitter and radio frequency hi-fi stereo headphones RS 45 Headphone system, consisting of radio frequency transmitter and radio frequency hi-fi stereo headphones RS 65 Headphone system, consisting of radio frequency transmitter and radio frequency hi-fi stereo headphones RS 85 Headphone system, consisting of radio frequency transmitter and radio frequency hi-fi stereo headphones RS 2400 Stereo Stethoset system, consisting of radio frequency transmitter and radio frequency stereo stethoset receiver RS 30-4 RS 30-8 RS 30-8 UK RS 30-9 RS 40-4 RS 40-8 RS 40-8 UK RS 40-9 RS 40-4 RS 40-8 RS 40-8 UK RS 40-9 RS 60-4 RS 60-8 RS 60-8 UK RS 60-9 RS 80-4 RS 80-8 RS 80-8 UK RS 80-9 – Page 45 46 47 48 49 50 Publ. 02/02 Headphones 45 RS 30 2. Headphones Wireless RF Headphones The RS 30 wireless RF headphone system with open, supra-aural headphones offers analytical sound reproduction for “live” effects and a fresh bass response. Its transparent and balanced sound makes this system an ideal choice for rock and pop music. The ideal entry into the cordless world of sound. Cat. No. 04806 RS 30-4 (434 MHz) Cat. No. 04807 RS 30-8 (863 MHz) Cat. No. 04809 RS 30-9 (925 MHz) Features • Analytical sound reproduction for “live” effects, fresh bass response, transparent and balanced sound for rock and pop music • Transmitter conveniently stores the headphones • Reception through walls and ceilings, in the home and outside in the garden within a range of up to approx. 100 m (30 m for 925 MHz variant) • Three switchable channels (2 for 863 MHz variant) for simultaneous operation of several systems • Special audio filter in the transmitter eliminates TV interference • Very lightweight headphones, extremely comfortable to wear Technical Data – HDR 30 Headphone Receiver Transducer principle Frequency response THD Max. SPL Power supply Operating time Weight (with BA 151) dynamic, open 30–19,500 Hz < 0.7 % 96 dB via BA 151 accupack, 2.4 V over 4 h per accupack approx. 160 g Technical Data – T 30 Transmitter Recommended Accessories SCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) RCA phono adaptor (3.5 mm jack coupl. to 2 RCA phono plugs) Spare accupack BA 151 Supplementary headphones HDR 45-4 (434 MHz) Supplementary headphones HDR 45-8 (863 MHz) Supplementary headphones HDR 45-9 (925 MHz) Cat. No. 47874 Cat. No. 72415 Cat. No. 04146 Cat. No. 04960 Cat. No. 04961 Cat. No. 04962 Range Modulation Signal-to-noise ratio Audio connector Replacement Parts Earpads (1 pair) Cat. No. 77963 Charging options Weight (w/o mains unit) Dimensions 434 MHz variant: 434.15 MHz, 433.4 MHz, 434.5 MHz (switchable) 836 MHz variant: 863.25 MHz, 863.75 MHz (switchable) 925 MHz variant: 925.0 MHz, 926.0 MHz, 926.5 MHz (switchable) up to approx. 100 m (up to approx. 30 m for 925 MHz variant) FM stereo typ. > 68 dBA 3.5 mm stereo jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug (925 MHz variant with adaptor to RCA phono connectors) 1, for BA 151 approx. 186 g 155 x 153 x 105 mm Product Variants RS 30-8 UK 863 MHz variant with UK plug-in mains unit Cat. No. 04808 Publ. 02/02 Carrier frequencies 46 RS 40 2. Headphones Wireless RF Headphones The RS 40 wireless RF headphone system with open supra-aural headphones features very good, spatial sound reproduction with a powerful bass response. The transmitter conveniently stores and recharges the headphone battery. Cat. No. 04810 RS 40-4 (434 MHz) Cat. No. 04811 RS 40-8 (863 MHz) Cat. No. 04813 RS 40-9 (925 MHz) Features • Spatial sound reproduction with powerful bass response • Reception through walls and ceilings, in the home and outside in the garden within a range of up to approx. 100 m (30 m for 925 MHz variant) • Three switchable channels (2 for 863 MHz variant) for simultaneous operation of several systems • Lightweight headphones with soft, fabric earpads for extended listening comfort • Headphones incorporate volume and channel controls • Special audio filter in the transmitter eliminates TV interference • Transmitter with automatic off function Technical Data – HDR 40 Headphone Receiver Transducer principle Frequency response THD Max. SPL Power supply Operating time Weight (with BA 151) dynamic, open 20–20,000 Hz < 0.7 % 96 dB via BA 151 accupack, 2.4 V over 4 h per accupack approx. 160 g Technical Data – T 40 Transmitter Recommended Accessories SCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) RCA phono adaptor (3.5 mm jack coupl. to 2 RCA phono plugs) Spare accupack BA 151 Supplementary headphones HDR 45-4 (434 MHz) Supplementary headphones HDR 45-8 (863 MHz) Supplementary headphones HDR 45-9 (925 MHz) Cat. No. 47874 Cat. No. 72415 Cat. No. 04146 Cat. No. 04960 Cat. No. 04961 Cat. No. 04962 Range Modulation Signal-to-noise ratio Audio connector Replacement Parts Earpads (1 pair) Cat. No. 77964 Charging options Weight (w/o mains unit) Dimensions 434 MHz variant: 434.15 MHz, 433.4 MHz, 434.5 MHz (switchable) 836 MHz variant: 863.25 MHz, 863.75 MHz (switchable) 925 MHz variant: 925.0 MHz, 926.0 MHz, 926.5 MHz (switchable) up to approx. 100 m (up to approx. 30 m for 925 MHz variant) FM stereo typ. > 68 dBA 3.5 mm stereo jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug (925 MHz variant with adaptor to RCA phono connectors) 2, for headphones plus spare accupack approx. 186 g 155 x 153 x 105 mm Product Variants RS 40-8 UK 863 MHz variant with UK plug-in mains unit Cat. No. 04812 Publ. 02/02 Carrier frequencies 47 RS 45 2. Headphones Wireless RF Headphones The RS 45 wireless RF headphone system with open supra-aural headphones features very good, spatial sound reproduction with a powerful bass response. The transmitter conveniently stores and recharges the headphone battery. The RS 45 comes equipped with Center-LockTM Auto-Tuning. A simple touch of a button, and Cat. No. 04948 RS 45-4 (434 MHz) Cat. No. 04949 RS 45-8 (863 MHz) Cat. No. 04951 RS 45-9 (925 MHz) the headphones will automtically adjust to the transmitter (and can simply be returned with a second touch if it locks on to your neighbour’s transmitter). Features • Headphones incorporate volume control and one-touch auto-tuning • Lightweight headphones with spatial sound reproduction and powerful bass response • Reception through walls and ceilings, in the home and outside in the garden within a range of up to approx. 100 m (30 m for 925 MHz variant) • Three switchable channels (2 for 863 MHz variant) for simultaneous operation of several systems • Transmitter with automatic off function and special audio filter Technical Data – HDR 45 Headphone Receiver Transducer principle Frequency response THD Max. SPL Power supply Operating time Weight (with BA 151) dynamic, open 20–20,000 Hz < 0.7 % 96 dB via BA 151 accupack, 2.4 V over 4 h per accupack approx. 160 g Technical Data – T 45 Transmitter Recommended Accessories SCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) RCA phono adaptor (3.5 mm jack coupl. to 2 RCA phono plugs) Spare accupack BA 151 Supplementary headphones HDR 45-4 (434 MHz) Supplementary headphones HDR 45-8 (863 MHz) Supplementary headphones HDR 45-9 (925 MHz) Cat. No. 47874 Cat. No. 72415 Cat. No. 04146 Cat. No. 04960 Cat. No. 04961 Cat. No. 04962 Range Modulation Signal-to-noise ratio Audio connector Replacement Parts Earpads (1 pair) Cat. No. 77964 Charging options Weight (w/o mains unit) Dimensions 434 MHz variant: 434.15 MHz, 433.4 MHz, 434.5 MHz (switchable) 836 MHz variant: 863.25 MHz, 863.75 MHz (switchable) 925 MHz variant: 925.0 MHz, 926.0 MHz, 926.5 MHz (switchable) up to approx. 100 m (up to approx. 30 m for 925 MHz variant) FM stereo typ. > 68 dBA 3.5 mm stereo jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug (925 MHz variant with adaptor to RCA phono connectors) 2, for headphones plus spare accupack approx. 186 g 155 x 153 x 105 mm Product Variants RS 45-8 UK 863 MHz variant with UK plug-in mains unit Cat. No. 04950 Publ. 02/02 Carrier frequencies 48 RS 65 2. Headphones Wireless RF Headphones Cat. No. 04952 RS 65-4 (434 MHz) Cat. No. 04953 RS 65-8 (863 MHz) Cat. No. 04955 RS 65-9 (925 MHz) The RS 65 wireless RF headphone system with open, circumaural headphones features an integrated, switchable SRS™ processor for impressive surround sound. The system has very transparent and balanced sound reproduction. The RS 65 comes equipped with Center-LockTM Auto-Tuning. A simple touch of a button, and the headphones will automtically adjust to the transmitter (and can simply be returned with a second touch if it locks on to your neighbour’s transmitter). Features • SRS™ processor delivers amazing surround sound • Headphones incorporate volume control and one-touch auto-tuning • Reception through walls and ceilings, in the home and outside in the garden within a range of up to approx. 100 m (30 m for 925 MHz variant) • Three switchable channels (2 for 863 MHz variant) • Headphones feature SAW input filter to eliminate RF interference • Supplied with second accupack • Special audio filter in the transmitter eliminates TV interference • Very lightweight and comfortable headphones with soft, velvet-like earpads Technical Data – HDR 65 Headphone Receiver Transducer principle Frequency response THD Max. SPL Power supply is a trademark of SRS Labs, Inc. Operating time Weight (with BA 151) dynamic, open 20–20,000 Hz < 0.5 % 100 dB via BA 151 accupack, 2.4 V over 4 h per accupack approx. 160 g Technical Data – T 65 Transmitter Range Recommended Accessories SCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) RCA phono adaptor (3.5 mm jack coupl. to 2 RCA phono plugs) Supplementary headphones HDR 65-4 (434 MHz) Supplementary headphones HDR 65-8 (863 MHz) Supplementary headphones HDR 65-9 (925 MHz) Cat. No. 47874 Cat. No. 72415 Cat. No. 04963 Cat. No. 04964 Cat. No. 04965 Charging options Replacement Parts Earpads (1 pair) Modulation Signal-to-noise ratio Audio connector Cat. No. 77965 Weight (w/o mains unit) Dimensions 434 MHz variant: 434.15 MHz, 433.4 MHz, 434.5 MHz (switchable) 836 MHz variant: 863.25 MHz, 863.75 MHz (switchable) 925 MHz variant: 925.0 MHz, 926.0 MHz, 926.5 MHz (switchable) up to approx. 100 m (up to approx. 30 m for 925 MHz variant) FM stereo typ. > 68 dBA 3.5 mm stereo jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug (925 MHz variant with adaptor to RCA phono connectors) 2, for headphones plus second BA 151 approx. 186 g 155 x 153 x 105 mm Product Variants RS 65-8 UK 863 MHz variant with UK plug-in mains unit Cat. No. 04954 Publ. 02/02 Carrier frequencies 49 RS 85 2. Headphones Wireless RF Headphones Cat. No. 04956 RS 85-4 (434 MHz) Cat. No. 04957 RS 85-8 (863 MHz) Cat. No. 04958 RS 85-9 (925 MHz) The RS 85 wireless RF headphone system with open, circumaural headphones features HiDyn plus™ noise reduction for wide dynamics and superb sound quality, ensuring a very natural and detailed sound reproduction. The RS 85 comes equipped with Center-LockTM Auto-Tuning. A simple touch of a button, and the headphones will automtically adjust to the transmitter (and can simply be re-turned with a second touch if it locks on to your neighbour’s transmitter). Features • Uncompromising sound quality due to HiDyn plus™ noise reduction • Lightweight, comfortable headphones incorporate volume control, one-touch auto-tuning and SAW input filter to eliminate RF interferences • Reception through walls and ceilings, in the home and outside in the garden within a range of up to approx. 100 m (30 m for 925 MHz variant) • Three switchable channels (2 for 863 MHz variant • Supplied with second accupack • Special audio filter in the transmitter eliminates TV interference Technical Data – HDR 85 Headphone Receiver Transducer principle Frequency response THD Max. SPL Power supply Operating time Weight (with BA 151) dynamic, open 20–22,000 Hz < 0.5 % 101 dB via BA 151 accupack, 2.4 V over 4 h per accupack approx. 160 g Technical Data – T 85 Transmitter Recommended Accessories SCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) Supplementary headphones HDR 85-4 (434 MHz) Supplementary headphones HDR 85-8 (863 MHz) Supplementary headphones HDR 85-9 (925 MHz) Cat. No. 47874 Cat. No. 04966 Cat. No. 04967 Cat. No. 04968 Range Modulation Signal-to-noise ratio Audio connector Replacement Parts Earpads (1 pair) Cat. No. 77965 Charging options Weight (w/o mains unit) Dimensions 434 MHz variant: 434.15 MHz, 433.4 MHz, 434.5 MHz (switchable) 836 MHz variant: 863.25 MHz, 863.75 MHz (switchable) 925 MHz variant: 925.0 MHz, 926.0 MHz, 926.5 MHz (switchable) up to approx. 100 m (up to approx. 30 m for 925 MHz variant) FM stereo typ. > 85 dBA 3.5 mm stereo jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug and adaptor to RCA phono connectors 2, for headphones plus second BA 151 approx. 186 g 155 x 153 x 105 mm Product Variants RS 85-8 UK 863 MHz variant with UK plug-in mains unit Cat. No. 04958 Publ. 02/02 Carrier frequencies 50 RS 2400 Stereo 2. Headphones Wireless RF Headphones The RS 2400 Stereo system consists of the TR 2400 RF transmitter and the RR 2400 RF stereo stethoset receiver and can be connected directly to television sets and hi-fi systems via the headphone socket. The lightweight stethoset headphones feature a convenient on/off/volume control. Cat. No. 04387 Cat. No. 04693 Cat. No. 04694 (English, German) (French, Dutch) (Italian, Spanish) Features • Excellent speech intelligibility, good music reproduction • Complete freedom of movement, range of up to 100 m, sound transmission through walls • Choice of 3 frequencies for optimum reception • Receiver powered by environmentally friendly NiMH rechargeable accupack • Transmitter can charge two accupacks at the same time • Lightweight receiver (45 g incl. accupack), very comfortable to wear • Delivery includes: 1 RR 2400 stereo stethoset receiver, 1 BA 151 accupack, 1 TR 2400 transmitter, 1 plug-in mains unit, 1 spare set of ear-cushions, 1 set of sealing tape for adjusting the frequency response, 1 AF connection cable with 3.5 mm/1/4” jack plug Technical Data – RR 2400 Stethoset Receiver Modulation Receiving frequencies Frequency response THD Signal-to-noise ratio Max. SPL Operating time Weight (incl. accupack) Dimensions FM, stereo 433.05 – 434.75 MHz 18 – 18,000 Hz < 1 % (1 kHz) > 65 dB(A) approx. 110 dB approx. 4 h per accupack 45 g 137 x 188 x 20 mm Technical Data – TR 2400 Transmitter Modulation Carrier frequencies ™ Frequency response Recommended Accessories BA 151 RR 2400 EP 1 (black, firmer version, 4 pieces) EP 2 (transp., softer version, 4 pieces) Cat. No. 04146 Cat. No. 04388 Cat. No. 04655 Cat. No. 04656 Weight Dimensions Total height (transmitter with receiver) 205 mm Replacement Parts Replacement ear-cushions (black, firmer version) Replacement ear-cushions (transparent, softer version) Adaptor cable for connection to SCART socket Product Variants THD Signal-to-noise ratio RF output power Power supply via Connector Cat. No. 37080 Cat. No. 40949 Cat. No. 47874 Publ. 02/02 Accupack Suppl. stethoset receiver Replacement ear-cushions Replacement ear-cushions FM, stereo 433.40 MHz, 434.15 MHz, 434.50 MHz 18 – 18,000 Hz (with 15 kHz TV filter) < 1 % (1 kHz) > 70 dB(A) typ. 10 mW NT 20 plug-in mains unit 3.5 mm jack plug with adaptor to 1/4” (6.3 mm) jack plug approx. 180 g 135 x 35 x 88 mm 51 2. Headphones Headphones with NoiseGard™ Active Noise Compensation One of the greatest stress factors of our time is noise. Research has shown that ambient noise affects the nervous system and can cause tiredness, poor concentration, tension and irritability. Of even greater concern is the permanent damage to the hearing that can result from such noise at high levels. How the NoiseGard™ active noise compensation system works The NoiseGard™ active noise compensation system is based on the physical principle of phase inversion. Tiny microphones in the ear-pieces pick up the extraneous noise, which the NoiseGard™ circuitry then cancels out by producing anti-noise (i.e. the original noise phase-shifted through 180°). As the annoying low frequency noise is largely situated in a different frequency range than speech, the human voice still remains clearly understable. The diagram on the right shows how the NoiseGard™ noise compensation system works with open headphones. A 10 dB reduction in noise is subjectively perceived as a halving of its volume. Description of models Attenuation/dB 0 Reduction of subjectively perceived noise with NoiseGard™ 10 20 100 200 500 1000 2000 5000 Frequency/Hz The HDC range of Sennheiser headphones are equipped with the NoiseGard™ active noise compensation system. Publ. 02/02 HDC ... Noise compensation with NoiseGard™ (open) Headphones with NoiseGard™ Active Noise Compensation 52 Overview Cat. No. Model Brief Description Variants 03840 HDC 451-1 NoiseGard™ mobile Open stereo headphones with active noise compensation – 2. Page 53 Publ. 02/02 Headphones 53 2. Headphones Headphones with NoiseGard™ Active Noise Compensation HDC 451-1 NoiseGard ™ The HDC 451-1 NoiseGard™ mobile are open stereo headphones with active noise compensation for mobile applications. mobile Cat. No. 03840 Features • Reduction of ambient noise by up to 10 dB • Protects the hearing and reduces stress • Lightweight and comfortable to wear • Considerably improves audio reproduction quality in noisy environments • Powered via 2 AA size alkaline batteries or environmentally friendly NiCd rechargeable batteries • Delivery includes: 1 HDC 451 NoiseGard™ mobile Technical Data Transducer principle Ear coupling Frequency response Nominal impedance THD Rated input voltage Active attenuation Max. SPL Operating voltage Contact pressure Weight without cable Connection cable Plug Power supply Operating time dynamic, open supra-aural 20 – 18,000 Hz 250 Ω ≤1% 387 mV at 1 Pa (94 dB) 10 dB ± 3 dB 100 dB linear 2 x 1.5 V approx. 1.6 N approx. 110 g 2 m, single-sided 3.5 mm stereo jack plug 2 x 1.5 V (AA) alkalinemanganese batteries or 2 x 1.2 V NiCd rechargeable batteries (AA) 600 mAh approx. 80 h (battery) approx. 20 h (NiCd) Recommended Accessories Replacement Parts Product Variants Cat. No. 46581 Publ. 02/02 Earpads (1 pair) 55 Overview 2. Supplementary IR and RF Headphones, Accessories Cat. No. Model Brief Description Variants Page 4383 04378 04571 04960 04961 04962 04963 04964 04965 04966 04967 04968 04388 05248 52708 04146 RI 150 RI 300 HDI 380 HDR 45 IR mono stethoset receiver IR stereo stethoset receiver IR hi-fi stereo headphones RF hi-fi stereo headphones 56 56 56 HDR 65 RF hi-fi stereo headphones HDR 85 RF hi-fi stereo headphones RR 2400 HZR 62 – BA 151 57 57 58 58 – 58 04457 04458 04459 04494 03357 03359 03358 L 151-2 RF stereo stethoset receiver Stereo volume control and headphone extension cable Headphone cable with right-angled jack plug Accupack for IS 150, IS 300, IS 380, RS 30, RS 40, RS 60, RS 80 and RS 2400 systems Charging unit for two BA 151 accupacks – – – HDR 45-4 HDR 45-8 HDR 45-9 HDR 65-4 HDR 65-8 HDR 65-9 HDR 85-4 HDR 85-8 HDR 85-9 – – – L 151-UK L 151-120 L 151-10 NT 92 Charging unit for ten BA 151 accupacks Plug-in mains unit for one L 151-10 charging unit NT 92-UK NT 92-120 56 57 58 59 59 Publ. 02/02 Headphones 56 2. Headphones Supplementary IR and RF Headphones IR mono stethoset receiver RI 150 Supplementary receiver for the IS 150 system. Cat. No. 04383 IR stereo stethoset receiver RI 300 Supplementary receiver for the IS 300 system. Cat. No. 04378 IR hi-fi stereo headphones HDI 380 Supplementary headphones for the IS 380 system. Cat. No. 04571 RF hi-fi stereo headphones HDR 45-4 Supplementary headphones for the RS 30, RS 40 and RS 45 systems, available as 434 MHz, 863 MHz and 925 MHz version. Cat. No. 04960 HDR 45-8 Cat. No. 04961 Cat. No. 04962 Publ. 02/02 HDR 45-9 57 2. Headphones Supplementary IR and RF Headphones RF hi-fi stereo headphones HDR 65-4 Supplementary headphones for the RS 60 and RS 65 systems, available as 434 MHz, 863 MHz and 925 MHz version. Cat. No. 04963 HDR 65-8 Cat. No. 04964 HDR 65-9 Cat. No. 04965 RF hi-fi stereo headphones HDR 85-4 Supplementary headphones for the RS 80 and RS 85 systems, available as 434 MHz, 863 MHz and 925 MHz version. Cat. No. 04966 HDR 85-8 Cat. No. 04967 HDR 85-9 RF stereo stethoset receiver RR 2400 Supplementary receiver for the RS 2400 system. Cat. No. 04388 Publ. 02/02 Cat. No. 04968 58 2. Headphones Accessories Stereo volume control HZR 62 For all headphones with 3.5 mm jack plug, 6 m cable with mono/stereo switch and separate left/right volume controls. Cat. No. 05248 Headphone cable with right-angled jack plug For stereo headphones with plug-in connection cables. Suitable for connection to equipment where a straight plug is not suitable. Length: 1.5 m Connector: 3.5 mm right-angled jack plug Cat. No. 52708 Accupack BA 151 The BA 151 accupack is suitable for the IS 150, IS 300, IS 380, RS 30, RS 40, RS 60, RS 80 and RS 2400 systems. Cat. No. 04146 Charging unit L 151-2 Charging unit for two BA 151 accupacks. Available as European, UK and USA versions. Euro version: L 151-2 Cat. No. 04457 UK version: L 151-2-UK Cat. No. 04458 Publ. 02/02 USA version: L 151-2-120 Cat. No. 04459 59 2. Headphones Accessories Charging unit L 151-10 Charging unit for up to 10 BA 151 accupacks or RI 150, RI 300 and RR 2400 receivers. Requires the NT 92 plug-in mains unit. Cat. No. 04494 approx. 10 h 12 V DC 325 x 98 x 42 mm approx. 400 g Plug-in mains unit NT 92 Plug-in mains unit for one L 151-10 charging unit. Available as European, UK and USA versions. Euro version: NT 92 Cat. No. 03357 UK version: NT 92-UK Cat. No. 03359 USA version: NT 92-120 Cat. No. 03358 Publ. 02/02 Charging time Power supply Dimensions Weight Index Model Cat. No. Page BA 151 ..............................04146 ..............56 Model Cat. No. Page Model Cat. No. Page HDR 45-8 ..........................04961 ..............56 RS 2400 Stereo ................04387 ..............50 HDR 45-9 ..........................04962 ..............56 English, German ................04387 ..............50 HDR 65-4 ..........................04963 ..............57 French, Dutch ....................04693 ..............50 HD 200 Master ................04592 ..............23 HDR 65-8 ..........................04964 ..............57 Italian, Spanish....................04694 ..............50 English, French ..................04592 ..............23 HDR 65-9 ..........................04965 ..............57 RS 30-4 ..............................04806 ..............45 Am. English, Spanish..........04593 ..............23 HDR 85-4 ..........................04966 ..............57 RS 30-8 ..............................04807 ..............45 German, Italian ..................04478 ..............23 HDR 85-8 ..........................04967 ..............57 RS 30-9 ..............................04809 ..............45 HD 202 ..............................05176 ............24 HDR 85-9 ..........................04968 ..............57 RS 40-4 ..............................04960 ..............46 HD 212 Pro ......................05180 ............25 HE 90 ................................03073 ..............35 RS 40-8 ..............................04961 ..............46 HD 25 ................................02976 ..............21 HEV 90 Orpheus™ ..........03074 ..............35 RS 40-9 ..............................04813 ..............46 HD 250 II Linear ............04393 ..............26 HZR 62 ............................05248 ..............58 RS 45-4 ..............................04948 ..............47 HD 25 SP ..........................03759 ..............22 RS 45-8 ..............................04949 ..............47 HD 26 ................................04212 ................8 RS 45-9 ..............................04951 ..............47 HD 265 Linear ................04196 ..............27 IS 150-120 ..........................04380 ..............39 RS 65-4 ..............................04952 ..............48 HD 270 Control ..............04549 ..............28 IS 300 Stereo ....................04150 ..............40 RS 65-8 ..............................04953 ..............48 English, French ..................04594 ..............28 IS 380 ................................04449 ..............41 RS 65-9 ..............................04955 ..............48 Am. English, Spanish..........04595 ..............28 RS 85-4 ..............................04956 ..............49 German, Italian ..................04479 ..............28 RS 85-8 ..............................04957 ..............49 HD 433 ..............................04472 ..............11 L 151 .......................................................... 58 HD 433 ..............................04472 ............11 Euro vers.: L 151-2 ............04457 ..............58 HD 437 ..............................05175 ............12 UK vers.: L 151-2 UK........04458 ..............58 HD 457 ..............................05177 ............13 USA vers.: L 151-2-120 ......04459 ..............58 HD 477 ..............................05178 ............14 L 151-10 .................................................... 59 RS 85-9 ..............................04959 ..............49 HD 497 ..............................05179 ............15 HD 500 Fusion ................04589 ..............16 English, French ..................04589 ..............16 MX 300 ..............................04418 ................7 Am. English, Spanish..........04588 ..............16 MX 400 ..............................04419 ................7 German, Italian ..................04484 ..............16 MX 500 ..............................04420 ................7 HD 570 Symphony ..........04553 ..............17 English, French ..................04553 ..............17 Am. English, Spanish..........04552 ..............17 NT 92 ................................03357 ..............59 German, Italian ..................04485 ..............17 Euro vers.: NT 92 ..............03357 ..............59 HD 580 Precision ............04195 ..............18 UK vers.: NT 92-UK ........03359 ..............59 HD 590 Prestige ..............04590 ..............19 USA vers.: NT 92-120........03358 ..............59 English, French ..................04590 ..............19 Am. English, Spanish..........04591 ..............19 German, Italian ..................04486 ..............19 PX 30 ................................04851 ..............9 HD 600 Avantgarde ........04465 ..............20 PX 40 ................................04850 ............10 HD 62 TV ........................05181 ..............29 NoiseGard™ mobile ........03840 ..............53 RI 150 ................................04383 ..............56 HDI 380 ............................04571 ..............56 RI 300 ................................04378 ..............56 HDR 45-4 ..........................04960 ..............56 RR 2400 ............................04388 ..............57 Publ. 02/02 HDC 451-1 Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co. KG. BioNetic, CenterLock, freeSound, HeadMax, HiDyn plus, Orpheus and NoiseGard are trademarks of Sennheiser electronic GmbH & Co. KG. is a trademark of SRS Labs, Inc. 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V. 03100 Mexico, D. F. Phone +52/5/639 0956 Fax +52/5/639 9482 e-Mail: [email protected] Uruguay Intertec SRL ② Montevideo 1100 Phone +598/2/900 0880 Fax +598/2/908 2027 e-Mail: [email protected] Viet Thoung Co Ltd. Ho Chi Minh City Phone +848/931 4142 Fax +848931 6539 e-Mail: [email protected] SOUTH AMERICA Venezuela AVCOM C.A. Caracas 1070 Phone +58/2/239 0944 Fax +58/2/237 8275 e-Mail: [email protected] Korea (Republic) Daikyung Vascom Co. Ltd. ① ② ④ Kangnam-Gu, Seoul, Korea Phone +822/578 1295 Fax +822/578 1296 e-Mail: [email protected] LATIN AMERICA Caribbean Tropical Music USA Miami, FL33143 Phone +1/305/740 7454 Fax +1/305/740 7456 e-Mail: [email protected] Portugal Custódio Cardoso Pereira, S.A. 2776-903 Carcavelos Phone +351/21/4458190 Fax +351/21/4458198 e-Mail: [email protected] Argentinia ARS technologies (1419) Buenos Aires, Cap. Fed. Argentina Phone: +54/11 4574 3666 Fax: +54/11 4574 3666 e-Mail: [email protected] Romania Savana-Comteh Ltd. 71 147 Bucharest Sect 1 Phone +40/1/232 91 67 Fax +40/1/210 39 94 e-Mail: [email protected] Bolivia Arze & Asociados La Paz Phone +1/591/222 2686 Fax +1/591/222 2686 e-Mail: [email protected] Russia I.S.P.A. Moscow, 123022 Phone +7/095 784 7575 Fax +7/095 956 2309 e-Mail: [email protected] Brazil Eurobras Ltda. ② 20030 Rio de Janeiro Phone +55/21 2 40 33 99 Fax +55/21 2 40 64 30 e-Mail: [email protected] Slovak Republic PANTER s.r.o. 130 00 Praha 3 Phone +420/2/67312266 Fax +420/2/71730262 e-Mail: [email protected] Slovenia, Croatia and Territories of former Yugoslavia Grothusen Ges.m.b.H. 1140 Wien Phone +43/1/970220 Fax +43/1/970229 e-Mail: [email protected] Inline Comércio, Exportação e Importadora Ltda. ④ São Paulo / SP / 04047-001 Phone +55/11/5072 6624/ 5078 8933 Fax +55/11/5583 1398 e-Mail: [email protected] Chile Stelauphipat S.A. Santiago Phone +56/2/226 5401 Fax +56/2/226 7809 e-Mail: [email protected] Spain Magnetron S.A. 28002 Madrid Phone +34/91/519 2416 Fax +34/91/519 6444 e-Mail: [email protected] Colombia Grupo Disctronics Medellin, Antioquia Phone +57/4 262 5355 Fax +57/4 232 0662 e-Mail: [email protected] Sweden Sennheiser AB 10422 Stockholm Phone +46/8/566 16 400 Fax +46/8/566 16 490 e-Mail: [email protected] VCR Ltda. ① ② ④ Bogota, DC Phone +57/1/218 2906 Fax +57/1/691 2244 e-Mail: [email protected] Switzerland Bleuel Electronic AG 8103 Unterengstringen Phone +41/1/7517575 Fax +41/1/7517500 e-Mail: [email protected] Turkey Metan Ltd. 80090 Gümüssuyu – Istanbul Phone +90/212/2933750/51 Fax +90/212/2523966 e-Mail: [email protected] Ukraine Indigo Music Company, Ltd. 320070 Dnepropetrovsk Phone +380/562340741 Fax +380/562340107 e-Mail: [email protected] NORTH AMERICA Canada Sennheiser Canada Inc. Pointe Claire, Québec H9R 1A3 Phone +1/514/426 3013 Fax +1/514/426 3953 e-Mail: [email protected] USA Sennheiser Electronic Corporation Old Lyme, Connecticut 06371 Phone +1/860/434 9190 Fax +1/860/434 9022 e-Mail: [email protected] For other countries please contact head office Sennheiser electronic · D-30892 Wedemark · Germany Phone +49-5130-600-0 · Fax +49-5130-600-300 http://www.sennheiser.com Costa Rica Provideo S.A. San Jose Phone: +506/250 6327 Fax: +506/250 6327 e-Mail: [email protected] El Salvador Audio Video Professional S.A. San Salvador Phone +503/263 6326 Fax +503/263 6327 e-Mail: [email protected] Mexico AMTEC S. A. de C. V. ② 03100 Mexico, D. F Phone +52/5 669 2866 Fax +52/5 669 3183 e-Mail: [email protected] Hermes Audio ④ 06400 Mexico, D.F. Phone +52/5 547 5365 Fax +52/5 547 2912 e-Mail: [email protected] ASIA Coordination of Far East activities Sennheiser Electronic Asia Pte. Ltd. Singapore 119967 Phone +65/2735202 Fax +65/2735038 e-Mail: [email protected] Bangladesh United Enterprises & Co. Ltd. Dhaka 1215 Phone +880/2 912 5912 Fax +880/2 911 5726 e-Mail: [email protected] China and Hongkong Sennheiser China Ltd. Kowloon, Hongkong Phone +852//2371 2668 Fax +852/2371 2328 e-Mail: [email protected] Artsound International Development Co. Ltd. Pan Yu, Guang Dong Phone +8620/8481 1908 Fax +8620/8481 1928 e-Mail: [email protected] Audio Link System Co. Ltd. ⑥ Tsuen Wan NT, Hongkong Phone +852/2416 6718 Fax +852/2412 0525 e-Mail: [email protected] EverTop Int. Technology Ltd. Kowloon, Hongkong Phone +852/ 2370 9722 Fax +852/2370 3766 e-Mail: [email protected] Jolly ProAudio Broadcast Engineering Ltd. Kwun Tong, Kln. Hong Kong Phone +852/2191 3660 Fax +852/2191 3990 e-Mail: [email protected] Top Plot International Ltd. ① ④ Kwai Chung, NT, Hongkong Phone +852/2419 1868 Fax +852/2419 9733 e-Mail: [email protected] India Deepjyot Electronics New Delhi 110 029 Phone +9111/618 7495 Fax +9111/618 7467 e-Mail: [email protected] Audio Plus Mumbai 400 093 Phone +9122/832 0268 Fax +9122/822 2632 e-Mail: [email protected] Koil Corporation ② Joong-Ku, Seoul Phone +822/22710030 Fax +822/22710040 e-Mail: [email protected] Malaysia Tegas Automation Sdn. Bhd. 60000 Kuala Lumpur Phone +603/7729 6640 Fax +603/7729 6641 e-Mail: [email protected] Acoustics & Lighting System Sdn. Bhd. 47100 Puchong, Selangor Phone +603/8075 8990 Fax +603/8075 8266 e-Mail: [email protected] AUSTRALIA Australia Syntec International Pty. Ltd. Chatswood, NSW 2067 Phone +61/0 2/9417-4700 Fax +61/0 2/9417-6136 e-Mail: [email protected] New Zealand Syntec International Pty. Ltd. Auckland Phone +64/9 263 9885 Fax +64/9 263 9886 e-Mail: [email protected] AFRICA, MIDDLE EAST Leapfrog Distribution Singapore 349276 Phone +65/547 1611 Fax +65/547 1711/252 8132 e-Mail: – Cyprus Nakas Music Cyprus Ltd. Nicosia/Cyprus Phone +35712/461088 Fax +35712/461080 e-Mail: [email protected] Mauritius Gami (Im- & Export) Ltd Port Louis Phone +230/208 8575 Fax +230/208 3951 e-Mail: [email protected] Egypt Technology K.A.R. Dokki, Giza Phone +20/2/3357061 Fax +20/2/3357061 e-Mail: [email protected] Damoo Sound & Music Port Louis Phone +230/212 0583 Fax +230/454 8555 e-Mail: [email protected] Iran Besat Broadcasting Systems Co. Tehran 11367 Phone +98/21/6706336 Fax +98/21/6707471 e-Mail: [email protected] Philippines Stage Craft International Inc. Mandaluyong City Phone +632/637 5922 Fax +632/637 5928 e-Mail: [email protected] Singapore O´Connor´s Singapore Pte. Ltd. Singapore 118516 Phone +65/473 7944 Fax +65/472 4508 e-Mail: [email protected] Goh Joo Hin Pte. Ltd. Singapore 118540 Phone +65/476 6012 Fax +65/476 6075 e-Mail: [email protected] Sri Lanka Swedish Trading Audio Visual Pvt. Ltd. Colombo 7 Phone +941/699 934 Fax +94/7471 5056 e-Mail: [email protected] Taiwan Sound Art Co. Ltd. Taipei, Taiwan Phone +8862/2307 2345 Fax +8862/2303 7653 e-Mail: [email protected] Israel KILIM electronics 1991 Ltd. 32 950 Haifa Phone +972/0 4/8620222 Fax +972/0 4/8672911 e-Mail: [email protected] Lebanon Eltek 90843 Beirut Phone +961/1 872666 Fax +961/3 598222 e-Mail: [email protected] Middle East (all other countries) Sennheiser UK Ltd. High Wycombe Buckinghamshire,HP12 3SL Phone +44/1494/551551 Fax +44/1494/551550 e-Mail: [email protected] Republic of South Africa Sennheiser electronic SA Pty. Ltd. Braamfontein 2017 Phone +27/11/4033332,3,4 Fax +27/11/4031026 e-Mail: [email protected] Winly Production Service Taipei, Taiwan Phone +8862/2788 3375 Fax +8862/2788 4957 e-Mail: [email protected] GILSAMA S.A. DE C.V. ③ ⑤ 14000, Mexico, D.F.MX Phone +525/485 3818 Fax +525/485 3817 e-Mail: [email protected] Pace Communications Pvt. Ltd. Mumbai 400 053 Phone +9122/633 5450 Fax +9122/633 5453 e-Mail: [email protected] Thailand Digital Equipment and Transducer Company Ltd. Bangkok 10320 Phone +667/276 8141 Fax +662/276 8149 e-Mail: [email protected] Panama Distribuidora Musical, S.A. Panama 7 Phone: +507/223 0292 Fax: +507/263 5142 e-Mail: [email protected] Sound Team Mumbai 400 064 Phone +9122/881 4041 Fax +9122/881 0374 e-Mail: [email protected] Petch Siam Sound & Lighting Co. Ltd. Bangkok10100 Phone +662/662 6099 Fax +662/226 2612 e-Mail: [email protected] ① Consumer products ② Professional products ③ Audiology products ④ Musicians ⑤ Infrared transmission (prof.) ⑥ Conference ⑦ Multimedia Printed in Germany 53208 0902 Paper bleached without chlorine EUROPE