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4 E 1 Cs 8ω - Sica Loudspeakers

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4 E 1 CS 8Ω Professional 4” | 140 W Code Z001800 1” voice coil Aluminium former and Aluminium Winding WpT Waterproof Cone Treatment Ferrite Magnet Circuit 90.0 dB sensitivity Frequency Range 120-10000 Hz +110 500 +105 200 +100 100 +95 d +90 B 50 +85 Ω S P L +80 20 +75 10 +70 General Specifications 5 +65 Nominal Diameter 104 mm (4") 3 +60 20 50 100 200 500 1k 2k 5k 10k 20k Hz Nominal Impedance 8Ω Rated Power AES (1) 70 W Continuous Program Power (2) Sensitivity @ 1W/1m Frequency Response on 5.5 Lt @ 110 Hz Vented Box @ 1W, 1m Free Air Impedance 140 W (3) 90.0 dB Voice Coil Diameter 25 mm (1") Voice Coil Winding Depth Constructive Characteristics 9 mm Magnet Magnetic Gap Depth 6 mm Basket Material Flux Density 1.10 T Voice Coil Winding Material Aluminium Magnet Weight 380 g Voice Coil Former Material Aluminium Net Weight 1.0 kg Cone Material Thiele & Small Parameters (4) Re 5.60 Ω Cone Treatment Fs 118.0 Hz 1.85 Qes 0.49 Dust Dome Material Qts 0.39 Mms 3.9 g Mounting Information Vas X max(5) η0 466 µm/N 1.3 l +/-2.2 mm 0.42 % Bxl 5.76 Tm Sd 2 X var (6) Le (1kHz) 44.2 cm +/-3.5 mm 0.14 mH Pressed Sheet Steel Paper Surface Waterproof Treatment Surround Material Qms Cms Ferrite Treated Cloth Polypropylene Ogive Overall Dimensions 104x104 mm Baffle Cutout Diameter Mounting Holes 90 mm 4 holes ø5 on ø106 mm Total Depth 58.3 mm (1) Rated Power measured with 2-hour test with pink noise signal, 6dB crest factor, loudspeaker in free air, power calculated on rated Zmin. (2) Power on Continuous Program is defined as 3dB greater than the Rated Power. (3) Calculated by Thiele & Small parameters, for SPL average in box refer to frequency response. (4) Thiele & Small parameters measured with laser system after preconditioning test. (5) Measured with respect to a THD of 10%. (6) Value corresponding to a decay of the Force Factor, or Compliance, or both, equal to the 50% of the small signal value. (7) Drawing dimensions: mm. SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it ; www.sicaspeakers.com - E-mail: [email protected] - Tel. +39-071-7958072 - Fax +39-071-7959006 14/03/2017