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
