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Crest Audio Pro Series Power Amplifiers Appendix B
† 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
1kHz, <0.025% THD+N 20Hz-20kHz, <0.1% THD+N
240W 220W
380W 330W
425W 400W
725W 660W
830W 800W
49V
69V
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
0.908V RMS
X40
>20kΩ
> -100 dB
> -60dB
AB
Female XLR (pin 3+), Octal Socket
5-way output binding posts
29,200 µF
120V, 60Hz
1.0A
6.25A
9.0A
11.0A
2235 BTU/hr
2821 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)
47.0 lbs (21.34 kg.), 42.0 lbs (19.07 kg.)
5 years, parts and labor†
8Ω Stereo Power
4Ω Stereo Power
2ΩStereo Power
8Ω Bridged Mono Power
4Ω Bridged Mono Power
Max RMS Output Voltage
(each channel)
Peak Output Voltage (each channel)
Frequency Response (+0 / -0.3dB, 1W/8Ω)
Power Bandwidth (rated power at 4Ω, 1% THD+N)
Protection Circuitry
THD+N
(rated power at 4Ω, 1kHz)
SMPTE IMD (rated power at 8Ω, 60Hz & 7kHz)
Damping Factor (10-400Hz at 8Ω)
Input CMRR (1kHz)
Input Sensitivity (rated power at 4Ω )
Voltage Gain
Input Impedance
(balanced)
Hum and Noise (“A” weighted, full power, 4Ω)
Crosstalk (“A” weighted, full power, 4Ω)
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/4Ω)
1/3 Power Curr. Draw (continuous music, 120V/4Ω)
Max Curr. Draw (circuit breaker rating, 120V/4Ω)
Thermal Emissions (1/8 Power, 4Ω)
Thermal Emissions (1/3 Power, 4Ω)
Cooling
Controls
LED Indicators
(per channel)
Construction
Dimensions
(Height x Width x Depth)
Gross Weight, Net Weight
Warranty
Appendix B - General Amplifier Specifications (Model 3301)