Crest Audio Stereo Amplifier User Manual
Page 24
Appendix B
Crest Audio Pro Series Power Amplifiers
Lows @ 100Hz, <0.1% THD+N
Highs @ 1kHz, <0.05% THD+N
940W
240W
990W
220W
940W
125W
670W
95W
83V(Low Ch.) 49V(High Ch.)
117V(Low Ch.) 69V(High Ch.)
20 Hz-20 kHz, -3dB @ 53kHz
20 Hz-20 kHz, +0/-0.2dB
Clip Limit, IGM, AutoRamp, High Temp, short-circuit,
DC voltage, turn-on/off transient, sub/ultrasonic input.
<0.02% @ 800W (Low Ch.); 200W ( High Ch.)
400:1
>60 dB
1.53V RMS (Low ) .79V RMS (High )
X40
>20k
Ω
> -100 dB
> -60dB
H (Low Channel); AB (High Channel)
Female XLR (pin 3+), Octal Socket
5-way output binding posts
80,000 µF
120V, 60Hz
1.2A
7.0A
12.25A
21.0A
2300 BTU/hr
3700 BTU/hr
Rear to front tunnel heatsink, 2 variable speed DC fans
Front panel: 2 attenuators, circuit breaker/power switch;
Rear panel: signal ground lift jumper.
Clip/Limit, Signal, Temp/DC, Active
16 ga. steel chassis, 0.187" (5mm) aluminum front panel
3.5"x19"x15" (16" to rear ears)
89mm x 483mm x 381mm (406mm to rear ears)
57 lbs. (25.88 kg.), 52 lbs. (23.60 kg.)
5 years, parts and labor†
Both Channels @ 4
Ω
Lows @ 2
Ω
, Highs @ 4
Ω
Lows @ 4
Ω
, Highs @ 8
Ω
Lows @ 8
Ω
, Highs @ 16
Ω
Max RMS Output Voltage
(each channel)
Peak Output Voltage
(each channel)
Frequency Response
(+0 / -0.3dB, 1W/8
Ω
)
Power Bandwidth
(rated power at 4
Ω
, 1% THD+N)
Protection Circuitry
THD+N
(rated power at 4
Ω
, 1kHz)
Damping Factor
(10-400Hz at 8
Ω
)
Input CMRR
(1kHz)
Input Sensitivity (8
Ω
)
Voltage Gain
Input Impedance
(balanced)
Hum and Noise
(“A” weighted, full power, 4
Ω
)
Crosstalk
(“A” weighted, full power, 4
Ω
)
Class
Input Connectors
(per channel)
Output Connectors
(per channel)
Filter Storage
Standard Power Supply
(USA)
Idle Current Draw
(120V)
1/8 Power Curr. Draw
(typical music, 120V/4
Ω
)
1/3 Power Curr. Draw
(continuous music, 120V/4
Ω
)
Max Curr. Draw
(circuit breaker rating, 120V/4
Ω
)
Thermal Emissions
(1/8 Power, 4
Ω
)
Thermal Emissions
(1/3 Power, 4
Ω
)
Cooling
Controls
LED Indicators
(per channel)
Construction
Dimensions
(Height x Width x Depth)
Gross Weight, Net Weight
Warranty
† USA, Canada, U.K., and many other countries. Power figures are watts per channel, both channels driven. Crest Audio reserves the right
to make improvements in manufacturing or design which may affect specifications. Crest Audio specification literature is available in
downloadable PDF file format; visit our website at http://www.crestaudio.com. ©1997 Crest Audio Inc. 12/15/97
Appendix B - General Amplifier Specifications (Model 7301)