Crest Audio Stereo Amplifier User Manual
Page 21
Crest Audio Pro Series Power Amplifiers
Appendix B
1kHz, <0.025% THD+N
20Hz-20kHz, <0.05% THD+N
400W
300W
575W
480W
1150W
960W
700W
600W
1300W
1200W
60V
85V
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.
<0.025%
<0.1%
400:1
>60 dB
1.1V RMS
X40
>20k
Ω
> -100 dB
> -60dB
H
Female XLR (pin 3+), Octal Socket
5-way output binding posts
80,000 µF
120V, 60Hz
1.1A
5.6A
11.46
18.0A
1803 BTU/hr
3385 BTU/hr
Rear to front tunnel heatsink, variable speed DC fan
Front panel: 2 attenuators, circuit breaker/power switch;
Rear panel: mode switch, signal ground lift jumper.
Clip/Limit, Signal, Temp/DC, Active
16 ga. single piece steel chassis, .187" (5mm) alum. front panel
3.5"x19"x15" (16" to rear ears)
89mm x 483mm x 381mm (406mm to rear ears)
54.0 lbs (24.52 kg.), 49.0 lbs (22.25 kg.)
5 years, parts and labor†
8
Ω
Stereo Power
4
Ω
Stereo Power
8
Ω
Bridged Mono Power
2
Ω
Stereo Power
4
Ω
Bridged Mono Power
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)
SMPTE IMD
(rated power at 8
Ω
, 60Hz & 7kHz)
Damping Factor
(10-400Hz at 8
Ω
)
Input CMRR
(1kHz)
Input Sensitivity
(rated power at 4
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
(120V)
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 4801)