Crest Audio Stereo Amplifier User Manual

Page 21

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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

> -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

Stereo Power

4

Stereo Power

8

Bridged Mono Power

2

Stereo Power

4

Bridged Mono Power

Max RMS Output Voltage

(each channel)

Peak Output Voltage

(each channel)

Frequency Response

(+0 / -0.3dB, 1W/8

)

Power Bandwidth

(rated power at 4

, 1% THD+N)

Protection Circuitry

THD+N

(rated power at 4

, 1kHz)

SMPTE IMD

(rated power at 8

, 60Hz & 7kHz)

Damping Factor

(10-400Hz at 8

)

Input CMRR

(1kHz)

Input Sensitivity

(rated power at 4

)

Voltage Gain

Input Impedance

(balanced)

Hum and Noise

(“A” weighted, full power, 4

)

Crosstalk

(“A” weighted, full power, 4

)

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

)

1/3 Power Curr. Draw

(continuous music, 120V/4

)

Max Curr. Draw

(circuit breaker rating, 120V/4

)

Thermal Emissions

(1/8 Power, 4

)

Thermal Emissions

(1/3 Power, 4

)

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)

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