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P O W E R E D M I X E R S
100 Watts 6 input channels Built-in Montarbo Digital Delay
350 Watts 8 input channels Built-in Montarbo Digital Delay
200 + 200 Watts 10 inputs / 8 channels Built-in Montarbo Digital Effects Processor
The powered mixers 453S, 458 and 459 offer a unique combination of simplicity and state of the art electronic design. Yet they do not stand out just for the professional level of equipment and high power concentrated into a minimum of space. The structure of the small carrier cases used to contain them is a symbol which has distinguished generations of Montarbo powered mixers and is thus very popular among musicians all over the world. This distinctive metal case with covers which, when open, act as supports, was first designed and produced by Montarbo in the early 1960’s with the aim of providing the working musician with the necessary tools of the trade in a small and portable package. Since then this case has 'contained' a wide range of powered mixers, each of them equipped with ever upgraded features, becoming proof of continuous technological innovation. The digital signal processors (developed by Montarbo), incorporated in these models are just as unique as the famous magnetic memory echo effect unit of their predecessors and the ever more sophisticated electronics they contain is supported by ever more user friendly control panels. In fact, something else is still unchanged since those early Sixties, besides the historic metal case: our construction philosophy and our commitment to guarantee the best sound quality at all times.
P O W E R E D M I X E R
Input Channels: 6 mono + 2 stereo • Gain control. • 3 band equalizer:
H.F 15dB @ 15kHz M.F 15dB @ 600Hz L.F 15dB @ 50Hz. • Effect send control (post-channel volume). • Auxiliary send control (pre-channel volume). • Stereo panning in the mono channels • Balance in the stereo channels. • Peak LED indicator. • Channel volume. • Balanced XLR input for microphone. • Unbalanced jack input for line. • L/R jack inputs for line on the 2 stereo channels (they allow connection of stereo instruments, increasing thus the operating flexibility of the system).
Stereo digital effects processor: based on a 56-bit DSP with 18 bit Delta/Sigma conversion, this stereo digital processor lets you create infinite combinations of Reverb, Echo, Halo and even Reverb + Echo effects at the simple touch of two knobs. Combining superb sonic performance with absolute ease of operation. • Delay control: adjusts either the echo delay or the reverb duration.
• Repeats control (for Echo effects). • Echo/Reverb pushbutton. • Pushbuttons to set the different algorythms of Reverb and Echo. • On button (with LED indicator). • Tone control (high damp). • Aux send. • Stereo balance. • Volume control. • Peak LED indicator • EXT. EFF. SEND jack socket: it allows the conection of an external effect. • Jack socket for on/off footswitch.
Master Section • Output level LED meters and volume faders for the L and R master outputs. • 6-band stereo graphic equalizer. • Stereo In/out Pin-Rca sockets for connection to a tape recorder, with tape-in level control (the tape inputs can also be used as line inputs). • Output for external effect send. • Aux output, with volume control. It can be used as monitor send or as an independent external effect send.
Rear Panel • L/R insert jack sockets for external auxiliary equipment or further amplification (pre-out / main-in). • L/R output sockets for the two built-in power amplifiers (200 + 200 W into 4 ohms). Each output has electronic short circuit protection, relays for delayed power-up sequence and automatic trouble-shooting, providing a clean, reliable power with maximum accuracy even at the highest levels. • Power on/off switch. • I.E.C. power supply socket. • Auxiliary ground socket.
P O W E R E D M I X E R
Input Channels: 8 mono
Master Section
Rear panel
• Echo send volume. • Monitor send volume. • Channel volume. • 2-band equalizer: treble 20dB @ 20kHz bass 20dB @ 40Hz. • Balanced jack input for microphone. • Unbalanced jack input for line.
• 9-band graphic equalizer. • Master volume control. • Monitor output (jack) allowing connection of external power amplifiers or powered stage monitors. • Monitor volume control. • Preamplifier output (jack) for additional external amplification (powered enclosures, external amplifiers..). • In-out Pin-Rca sockets for connection to a tape recorder (the tape inputs can also be used as additional line inputs). • Auxiliary input to accept any signal source (microphone, auxiliary mixer etc..) having suitable output level. • Volume control for the auxiliary and tape inputs.
• 4 jack output sockets for the built-in power amplifier, featuring a minimum load impedance of 2 ohms. The output power at 2 ohms (with 4 speakers, 8 ohms each) is 350 W while at 4 ohms (with 2 speakers, 8 ohms each) it is 250W. The built-in amplifier is fitted with electronic short circuit protection, relays for delayed power-up sequence and automatic trouble-shooting. • Insert sockets Send (pre-out) and Return (main-in) socket for inserting an external effect device. • Power on/off switch. • I.E.C. power supply socket. • Auxiliary ground socket.
Montarbo Digital Echo-Halo: built-in Montarbo Digital Delay (16-bit custom chip based on ultrafast RISC architecture) providing Echo (2 separate, mixable delays) and Halo effects. • 3 LEDs to indicate 'on' status, signal presence and peak. • Repeats control. • Monitor send volume control. • Volume control. • Pushbuttons to set the 2 different echo delays or the halo effect (both buttons pushed). • Filter pushbutton: cuts the frequencies above 3000 Hz. • Echo delay control. • Jack socket for on/off footswitch.
P O W E R E D M I X E R
Input Channels: 6 mono
Master Section
• Echo send volume. • Channel volume. • 2 band equalizer: treble 20dB @ 20kHz bass 20dB @ 40Hz. • Unbalanced jack inputs accepting microphone signals.
• 2 band equalizer:
treble 20dB @ 20kHz bass 20dB @ 40Hz. • Master volume control. • In/out DIN socket for connecting a stereo tape recorder.
Rear panel Montarbo Digital Echo-Halo: Built-in Montarbo Digital Delay (16-bit custom chip based on ultrafast RISC architecture) providing Echo (2 separate, mixable delays) and Halo effects. • 3 LEDs to indicate 'on' status, signal presence and peak. • Pushbuttons to set the 2 different echo delays or the halo effect (both buttons pushed). • Effects on/off switch. • Volume control. • Repeats control. • 2 band equalizer: treble 20dB @ 20kHz bass 20dB @ 40Hz. • Jack socket for on/off footswitch.
• 2 jack output sockets for the built-in power amplifier (100 W into 4 ohms). • Auxiliary output socket for the connection of powered stage monitors. • Power on/off switch. • I.E.C. power supply socket. • Auxiliary ground socket.
POWERED MIXERS SPECIFICATIONS
459
458 mic -42dB
Input impedance Gain control range Equivalent input noise Equalization
mic -60dB / line -40dB mono line -50dB stereo mic 2,2 k / line 10 k 28dB mono / 34dB stereo -124dB H.F 15dB @ 15kHz M.F 15dB @ 600Hz L.F 15dB @ 50Hz
-122dB H.F 20dB @ 20kHz L.F 20dB @ 40Hz
-120dB H.F 20dB @ 20kHz L.F 20dB @ 40Hz
• Internal effect A/D-D/A conversion Bandwidth Signal-to-noise ratio Total harmonic distortion
56-bit DSP (Reverb / Echo) 18-bit Sigma Delta 40Hz 15kHz > 92dB < 0.01%
56-bit DSP (Echo / Halo) 18-bit Sigma Delta 40Hz 15kHz > 92dB < 0.01%
Digital Delay (Echo / Halo) 16-bit Sigma Delta 40Hz 15kHz > 92dB < 0.01%
0dB @ 600 Ω +20dB @ 600 Ω 0dB 25Hz 25kHz 1dB 80dB 80 - 200 - 500 Hz 1,6 - 4 - 10 kHz / 12dB 0dB 0dB
0dB @ 600 Ω +20dB @ 600 Ω 0dB 20Hz 20kHz 1dB 80dB 63 - 125 - 250 - 500 Hz 1 - 2 - 4 - 8 - 16 kHz / 12dB 0dB 0dB
0dB @ 600 Ω +20dB @ 600 Ω
• Amplifier Section Total output power: continuous peak Frequency response Total harmonic distortion Signal-to-noise ratio Protections:
2, MosFet, class AB 200 + 200 W into 4 Ω 320 + 320 W into 4 Ω 30Hz 25kHz 1dB < 0,1% 79dB electronic protections, delayed power-up sequence, automatic troubleshooting.
MosFet, class AB 350 W into 2 Ω ; 250 W into 4 Ω 550 W into 2 Ω ; 450 W into 4 Ω 30Hz 25kHz 1dB < 0,1% 79 dB electronic protections, delayed power-up sequence, automatic troubleshooting.
MosFet, class AB 100 W into 4 Ω 150 W into 4 Ω 30Hz 20kHz 1dB < 0,1% 79dB electronic protections, fuse.
• Dimensions (W x H x D)
46,5 x 82 x 38 cm (standing) 46,5 x 40 x 20 cm (closed)
46,5 x 82 x 38 cm (standing) 46,5 x 40 x 20 cm (closed)
38,5 x 80 x 38 cm (standing) 38,5 x 40 x 20 cm (closed)
• Weight
20 Kg
20 Kg
17 Kg
• Input section Input sensitivity
• Master section Auxiliary send: nom. level max. level Pre-out/Main-in: nom. level Frequency response Signal-to-noise ratio Graphic equalizer Tape-In: Tape-Out:
sensitivity nom. level
453S
mic 4,7 k
line -15dB line 100 k
-42dB 4,7 k
20Hz 20kHz 1dB 80dB
-20dB -10dB
Beware of imitations ! To avoid the risk of buying a counterifeited product, ask us for the address of the authorised Montarbo distributor in your country.
POWERED MIXERS Designed and manufactured in Italy by:
Elettronica Montarbo srl 40057 Cadriano Granarolo Emilia Bologna (Italy) phone: +39 051 766437 fax: +39 051 765226 e-mail:
[email protected] internet: www.montarbo.com Specifications and features are subject to change without prior notice. The contents of this publication may not be reproduced in any manner without prior written permission of Elettronica Montarbo srl. All rights reserved.
Recommended combinations with Montarbo passive speaker enclosures
453S
458
459
189S Bass-reflex 100 W / 8 Ohms 2 x 12"custom loudspeakers
2
2/4
4
299S 2-way bass-reflex 200 W / 8 Ohms 4 x 12"custom woofers 2 dynamic horn tweeters
2
2/4
4
T10P (or 260 or 210) 2-way bass-reflex 250 W / 8 Ohms 1 x 10" custom woofer 1 constant directivity horn
-
2/4
2/4
T12P (or 412 or 312) 3-way bass-reflex 400 W / 8 Ohms 1 x 12" custom woofer 1 x 6" midrange 1 constant directivity horn
-
2/4
2/4
T15P (or 415 or 315) 3-way bass-reflex 400 W / 8 Ohms 1 x 15" custom woofer 1 x 6" midrange 1 constant directivity horn
-
2/4
2/4
A METAL C A S E MAKI NG H I S T ORY Printed in Italy - Nov. 2006
