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PROFESSIONAL
POWER AMPLIFIERS
7301
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
LOWS
HIGHS
7001
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
6001
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
4801
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
4601
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
3301
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
MA7120
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
MA5850
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
Including MA Series Amplifiers
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
Clip/Limit
Signal
Temp/DC
Active
-6
-10
-3
-15
-1
-30
-80
0dB
Ch A
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-3
-10
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch A
Ch B
OWNER'S MANUAL
10004
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-6
-10
-10
-3
-3
-15
-15
-1
-1
-30
-30
-80
0dB
-80
0dB
Ch C
Ch D
10001
Professional Power Amplifier
Clip/Limit
Signal
Temp/DC
Active
-6
-10
-3
-15
-1
-30
-80
0dB
Ch B
9001
Professional Power Amplifier
8001
Professional Power Amplifier
MA9130
Professional Power Amplifier
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Table of Contents
Related Manuals for Crest Audio Stereo Amplifier
Summary of Contents for Crest Audio Stereo Amplifier
- Page 1 PROFESSIONAL POWER AMPLIFIERS 7301 Professional Power Amplifier Clip/Limit Signal Temp/DC Active LOWS HIGHS 7001 Professional Power Amplifier Clip/Limit Signal Temp/DC Active Ch A Ch B 6001 Professional Power Amplifier Clip/Limit Signal Temp/DC Active Ch A Ch B 4801 Professional Power Amplifier Clip/Limit Signal Temp/DC...
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Page 2: Important Precautions
Do not parallel- or series- connect an amplifier output with any other amplifier output. Crest Audio is not responsible for damage to loud- speakers for any reason. 19. Do not ground any + (“hot”) termi- nal. -
Page 3: Table Of Contents
Connecting Outputs ......10 Crest Audio Octal Sockets ..... 10 NexSys ®... -
Page 4: Introduction
Be sure to save the carton and all packing materials. Should you ever need to ship the unit back to Crest Audio, one of its offices, service centers, or the supplier, use only the original factory packing. If the ship- ping carton is unavailable, contact Crest to obtain a replacement. -
Page 5: Cooling Requirements
The Crest Audio Model 10004 Power Amplifier The Model 10004 power amplifier is unique in that it is a high-power, four-channel amplifier. Offering the advantages of Crest Audio’s Power Density engineering design philosophy, this amplifier provides 1400 watts at 2Ω from each of the four channels. All four chan- nels have independent LED indicators, attenuation, and input /output connections. -
Page 6: Models 3301, 4801, 6001 Features
1-Channel A & B Clip/Limit, Signal, Temp/DC, and Active LEDs. 2-Combination Circuit Breaker/Power Switch. 3-Heated Air Exhaust Grill. 4-Fan Intake Grill & Filter 5-Channel A & B Gain Attenuators. 6-Channel A & B XLR Input Connectors. 7-Mode Select Switch. 8-Crest Audio Octal Accessory Sockets. 9-Signal Ground Lift Barrier Strip. 10-Five-Way Output Binding Post Connectors. Clip/Limit... -
Page 7: Model 7001 Features
1-Lows and Highs Channel Clip/Limit, Signal, Temp/DC, and Active LEDs. 2-Combination Circuit Breaker/Power Switch. 3-Heated Air Exhaust Grill. 4-Lows and Highs Channel XLR Input Connectors. 5-Lows and Highs Channel Attenuators. 6-Fan Intake Grills & Filters. 7-Crest Audio Octal Accessory Sockets. 8-Five-Way Output Binding Post Connectors. 9-Signal Ground Lift Barrier Strip. -
Page 8: Model 8001 Features
1-Front Panel Channel Clip/Limit, Signal, Temp/DC, and Active LEDs. 2-Combination Circuit Breaker/Power Switch. 3-Heated Air Exhaust Grill. 4-Mode Select Switch. 5-XLR Input Connectors. 6-Crest Audio Octal Socket Accessory Connectors. 7-Channel A & B Attenuators. 8-Five-Way Output Binding Post Connectors. 9-Signal Ground Lift Barrier Strip. -
Page 9: Model 9001 Features
1-Front Panel Channel Clip/Limit, Signal, Temp/DC, and Active LEDs. 2-Combination Circuit Breaker/Power Switch. 3-Heated Air Exhaust Grill. 4-XLR Input Connectors. 5-Air Intake/Fan Filter. 6-Channel Attenuators. 7-Mode Select Switch 8-Crest Audio Octal Socket Accessory Connectors. 9-Signal Ground Lift Barrier Strip. 10-Single-Screw Solderless Output Connectors. 11-NexSys Output Sample Connector... -
Page 10: Model 10001 Features
1-Front Panel Channel Clip/Limit, Signal, Temp/DC, and Active LEDs. 2-Combination Circuit Breaker/Power Switch. 3-Heated Air Exhaust Grill. 4-Single-Screw Solderless Output Connectors. 5-Channel Attenuators. 6-Air Intake/Fan Filter. 7-Crest Audio Octal Socket Accessory Connectors. 8-XLR Input Connectors. 9-Signal Ground Lift Barrier Strip. 10-Mode Select Switch 11-NexSys Output Sample Connector... -
Page 11: Model 10004 Features
1-Front Panel Channel Clip/Limit, Signal, Temp/DC, and Active LEDs. 2-Combination Circuit Breaker/Power Switches. 3-Heated Air Exhaust Grill. 4-Five-Way Output Binding Post Connectors. 5-Channel Attenuators. 6-Crest Audio Octal Socket Accessory Connectors. 7-XLR input connectors. 8-Air Intake/Fan Filter. 9-Signal Ground Lift Barrier Strip. -
Page 12: Connecting Inputs
NexSys Professional Series amplifiers are compatible with NexSys, Crest Audio’s dynamic hardware/software package that allows for sound system control and management from a Windows-based PC. The octal socket is used to connect between the amplifier and the NexSys supervisor via the NS-CCM-2 Control Module. -
Page 13: Connecting Power
The Model 10004 power amplifier is configured so that one or both pairs of channels can be bridged to mono. Using the rear panel mode select switches, follow the same procedures as outlined above to bridge channels A&B together and/or C&D together. Crest Audio Pro Series Power Amplifiers Never try to hold the power switch in the “ON”... -
Page 14: Bridging Precautions
Do not remove the jumper if the amplifier and the signal source equipment are not on the same AC ground. Note: On the Model 10004 power amplifier, there are two (2) signal ground lift jumpers. Page 12 Crest Audio Pro Series Power Amplifiers... -
Page 15: Indicators
Professional Series amplifiers incorporate several circuits to protect both themselves and loudspeakers under virtually any situation. Crest Audio has attempted to make the amplifiers as foolproof as possible by making them immune to short and open circuits, mis- matched loads, DC voltage, and overheating. If a channel goes into the clip limiting or IGM gain reduction mode, the speaker load remains connected, but clipping percentage or output power are instantly reduced. -
Page 16: Speaker Protection
1. If a signal is present during power-up (or when coming out of protect), the speakers are spared a sudden, potentially damaging burst of audio power. 2. Because the gain is reduced until after the output relay closes, no arcing occurs at the contacts, thereby extending their useful life. Speaker Protection Page 14 Crest Audio Pro Series Power Amplifiers... -
Page 17: Amplifier Maintenance And User Responsibility
The amplifier’s clipping point is its maximum peak output power, and some of the higher power Crest Audio Professional Series amplifiers can deliver more power than many speakers can safely handle. Be sure the peak power capa- bility of the amplifier is not excessive for your speaker system. -
Page 18: Appendix A - Professional Series Block Diagram
Octal accessory socket non-inverting inverting ground non-inverting inverting ground Appendix A Channel A Attenuator Preamp Amp front end Mode switch Channel B Attenuator Preamp Amp front end Output stage Output relay Output stage Output relay Crest Audio Pro Series Power Amplifiers... -
Page 19: Appendix B - General Amplifier Specifications (Model 3301)
Gross Weight, Net Weight † 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;... - Page 20 Gross Weight, Net Weight † 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;...
- Page 21 Gross Weight, Net Weight † 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;...
- Page 22 Gross Weight, Net Weight † 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;...
- Page 23 Gross Weight, Net Weight † 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;...
- Page 24 Gross Weight, Net Weight † 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;...
-
Page 25: Specifications
Gross Weight, Net Weight † 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 down- loadable PDF file format;... -
Page 26: Specifications
Gross Weight, Net Weight † 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;... - Page 27 Gross Weight, Net Weight † 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;...
- Page 28 Gross Weight, Net Weight † 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 avail- able in downloadable PDF file format;...
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Page 29: Appendix C - Wire Gauge Charts
Stranded Cable Lgth. Wire Gauge (AWG) (ft.) Stranded Cable Lgth. Wire Gauge (mm 0.75 0.75 0.75 0.75 Crest Audio Pro Series Power Amplifiers Appendix C - Wire Gauge Charts Power Loss Power Loss (8 ohm load) (4 ohm load) 0.81% 1.61% 0.51 1.02... -
Page 30: Appendix D Meyer-Compatible Power Amplifiers
3 power amplifier. Warranty applicable in 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. ©1996 Crest Audio Inc. - Page 31 Max Curr. Draw † USA, Canada, U.K., and many other countries. Power figures are watts per channel, both channels driven. Crest Audio reserves the right make improvements in manufacturing or design which may affect specifications Crest Audio specification literature is available in dow...
- Page 32 Crest Audio Inc. 100 Eisenhower Dr., Paramus NJ 07652 USA : 201.909.8700 : 201.909.8744 http://www.crestaudio.com Printed in USA v. 1.6 12/15/97 © 1997 Crest Audio, Inc. Power is serious business. *C1000005*...
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