Crest Audio Stereo Amplifier owner manual 1kHz, 0.02% THD+N 20Hz-20kHz, 0.1% THD+N 8Ω Stereo Power

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Appendix B - General Amplifier Specifications (Model 9001)

 

 

1kHz, <0.02% THD+N

20Hz-20kHz, <0.1% THD+N

 

 

8Ω Stereo Power

 

1200W

1100W

 

 

 

 

 

 

4Ω Stereo Power

 

2200W

2050W

 

 

 

 

 

 

8Ω Bridged Mono Power

 

4400W

4100W

 

2Ω Stereo Power

 

3300W

3000W

 

 

 

 

 

 

4Ω Bridged Mono Power

 

6600W

6000W

 

 

 

 

 

 

Max RMS Output Voltage (each channel)

 

114V

 

 

 

 

 

 

 

 

 

Peak Output Voltage (each channel)

 

161V

 

 

 

 

 

 

 

 

 

Frequency Response (+0 / -0.3dB, 1W/8Ω )

 

20 Hz-20 kHz, -3dB @ 53kHz

 

 

 

 

 

 

 

 

 

Power Bandwidth (rated power at 4Ω , 1% THD+N)

 

20 Hz-20 kHz, +0/-0.2dB

 

 

 

Protection Circuitry

 

Clip Limit, IGM, AutoRamp, High Temp, short-circuit,

 

 

DC voltage, turn-on/off transient, sub/ultrasonic input.

 

 

 

 

 

 

THD+N (rated power at 4Ω , 1kHz)

 

<0.02%

 

 

 

 

 

 

 

 

 

SMPTE IMD (rated power at 8Ω , 60Hz & 7kHz)

 

0.05%

 

 

 

Damping Factor (10-400Hz at 8Ω )

 

200:1

 

 

 

Input CMRR (1kHz)

 

>60 dB

 

 

 

 

 

 

 

 

 

Input Sensitivity (rated power at 4Ω )

 

2.26V RMS

 

 

 

Voltage Gain

 

X40

 

 

 

Input Impedance (balanced)

 

>20kΩ

 

 

 

 

 

 

 

 

 

Hum and Noise (“A” weighted, full power, 4Ω )

 

> -100 dB

 

 

 

Crosstalk (“A” weighted, full power, 4Ω )

 

> -60dB

 

 

 

 

 

 

 

 

 

Class

 

H

 

 

 

 

 

 

 

 

Input Connectors (per channel)

 

Female XLR Input (pin 3+), Octal Socket.

 

 

 

 

 

Output Connectors (per channel)

 

Single screw solderless copper output lugs.

 

 

 

 

 

 

Filter Storage

 

46,000 µF

 

 

 

 

 

 

 

 

 

Standard Power Supply (USA)

 

120V, 60Hz

 

 

 

Idle Current Draw (120V)

 

2.0A

 

 

 

 

 

 

 

 

 

1/8 Power Curr. Draw (typical music, 120V/4Ω )

 

16.2A

 

 

 

1/3 Power Curr. Draw (continuous music, 120V/4Ω )

 

30.0A

 

 

 

Max Curr. Draw (circuit breaker rating, 120V/4Ω )

 

65.0A

 

 

 

 

 

 

 

 

 

Thermal Emissions (1/8 Power, 4Ω )

 

3850 BTU/hr

 

 

 

 

 

 

 

 

 

Thermal Emissions (1/3 Power, 4Ω )

 

7700 BTU/hr

 

 

 

 

 

 

 

Cooling

 

Rear to front tunnel heatsink, variable speed DC fan, 140 CFM max.

 

 

 

 

Controls

 

Front panel: 2 attenuators, circuit breaker/power switch;

 

 

Rear panel: mode switch, signal ground lift jumper.

 

 

 

 

LED Indicators (per channel)

 

Clip/Limit, Signal, Temp/DC, Active

 

Construction

 

12 ga. steel chassis, 0.187" (5mm) aluminum front panel

 

 

 

 

Dimensions (Height x Width x Depth)

 

5 1/4" x 19" x 19.5", 133mm x 483mm x 496mm

 

 

 

Gross Weight, Net Weight

 

115 lbs (52.21 kg.), 110 lbs (49.94 kg.)

 

 

 

 

 

 

 

Warranty

 

5 years, parts and labor†

 

 

 

 

 

 

 

 

 

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

Crest Audio Pro Series Power Amplifiers

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Contents Including MA Series Amplifiers Important Precautions Table of Contents Mounting IntroductionUnpacking Crest Audio Model 10004 Power Amplifier Operating PrecautionsCrest Audio Model 7301 Power Amplifier Cooling RequirementsModels 3301, 4801, 6001 Features Model 4601 & 7001 FeaturesModel 7301 Features LowshighsModel 8001 Features 8001Model 9001 Features Model 10001 Features Professional Power AmplifierModel 10004 Features Ch a Ch B Ch C Ch DOctal Accessory Sockets Connecting InputsConnecting Outputs NexSysConnecting Power Operation ModesBridging Precautions Switches & ControlsIndicators Protection FeaturesSpeaker Protection Thermal ProtectionAmplifier Maintenance and User Responsibility Service / Warranty InformationChannel a Appendix B General Amplifier Specifications Model 1kHz, 0.012% THD+N 20Hz-20kHz, 0.05% THD+N 8Ω Stereo Power 1kHz, 0.025% THD+N 20Hz-20kHz, 0.05% THD+N 8Ω Stereo Power 430W 400W 1kHz, 0.02% THD+N 20Hz-20kHz, 0.05% THD+N 8Ω Stereo Power Both Channels @ 4Ω 750W 720W 1kHz, 0.02% THD+N 20Hz-20kHz, 0.1% THD+N 8Ω Stereo Power 1Ω Stereo Power 4Ω Stereo Power x4 ch Appendix C Wire Gauge Charts Appendix D Meyer-Compatible Power Amplifiers MA5850MA7120 Power is serious business