Crest Audio Ci 20 X 8 Stereo Amplifier User Manual


 
Ci
Product Specifications
frequency response 1W @ 8 ohms 5 Hz to 20 kHz, +/-1 dB
power bw rated power @ 4 ohms, 1% THD+N
20 Hz to 20 kHz, +/-1 dB
THD + N
<0.02% @ rated power (@ 70 volt, 1kHz)
damping factor 200:1 @ 8 ohms (20 Hz to 100 Hz)
input CMRR
>60 dB @ 1kHz
gain / input sensitivity @ 70 volts 1.14 volts for full rated output power (70 volt switch selected)
gain / input sensitivity @ 8Ω
0.775 volts for full rated output power (Low Z switch selected)
input impedance >20 kohms balanced, >10 kohms unbalanced
hum and noise > -97 dB, A-weighted below rated power @ 8 ohms
crosstalk > -60 dB below max rated power (1 kHz)
power supply Linear with toroid transformer
Ci 20x4 Ci 20x8
circuit breaker rating (120V/230V) 6A / 3A 12A / 6A
current draw (120VAC) 1/8 power, 70 volts 2.3A 4.0A
1/3 power, 70 volts 4.4A 8.0A
at idle <1.0A <2.0A
thermal emissions 1/3 Power, 70 volts btu / hr 621 947
cooling Front to side via variable speed fan
input connectors balanced three-pin Euro-style (rear panel)
output connectors barrier strips (rear panel)
power sequence connectors balanced three-pin Euro-style (rear panel)
fault connectors balanced three-pin Euro-style (rear panel)
control voltage connectors balanced two-pin Euro-style (rear panel)
controls front panel: three-position On / Off / Remote power switch
rear panel: stepped attenuators, 70V/Low Z switch, dual/bridged switch,
circuit breaker
LED indicators
front and rear panels: Signal, ACL/IGM, Protect, Active, Power Present
construction 16-gauge steel chassis, double thickness in rack ear areas
dimensions (h x w x d) 3.5" x 19" (front panel) 17" (chassis) x 17.3" (18.55" to rack ears)
warranty five years *U.S.A., Canada, United Kingdom and many other countries
Crest Audio reserves the right to make improvements in manufacturing or design which may affect specifications.
Crest Audio Inc.
5022 HWY 493 N Meridian, MS 39305 USA
Printed in the U.S.A. 80307271 TEL: 601.486.2000 FAX: 601.486.1380 www.crestaudio.com