User manual CREST AUDIO CPA400 SPECIFICATIONS

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Manual abstract: user guide CREST AUDIO CPA400SPECIFICATIONS

Detailed instructions for use are in the User's Guide.

 [. . . ] CPA400 power amplifier
description
The Crest Audio CPA400 professional power amplifier is designed to achieve unsurpassed sonic performance and longterm reliability ­ even when operating under extreme stress ­ in touring or fixed installation applications. Absolute sonic accuracy is the hallmark of every Crest amplifier. Bass is solid and defined to the limits of audibility,  with ample current reserves delivered by an "over-engineered" power supply and advanced Class AB output circuit design.  [. . . ] Two rear panel mounted variable speed DC fans (filters detachable without tools) shall provide back to front air flow through the chassis. The amplifier shall have circuitry to protect itself from output short circuits,  thermal overload or other adverse load conditions. The amplifier shall protect speaker loads from DC voltage on outputs. The amplifier shall have active clip limiting and impedance sensing circuitry. Output relays shall protect the speakers from amplifier failure. Each channel shall have a standard (factoryset) input sensitivity of 0. 775 Volts,  and shall be fitted with an internal jumper which allows the gain to be altered to X20 or X40. The hum and noise level shall be 105 dB below rated output,  "A" weighted. SMPTE IMD shall be less than 0. 01% at rated power,  60Hz and 7kHz. The amplifier shall have a class AB output stage. The frequency response shall be 20Hz-20kHz,  +0,  -0. 3dB (1W/8). The amplifier will operate at 100V-240V,  50-60 Hz AC (configured at factory). Maximum current draw shall not exceed 15 amperes at 120VAC (limited by front panel breaker for bench tests). Front panel indicators shall include ACTIVE,  PROTECT,  SIGNAL,  and CLIP LED's for each channel. Front panel attenuators shall be recessed and detented.  [. . . ] *Three-year Warranty with two additional years,  if Registration Card is sent to Crest Audio. 

dealer-configurable gain/ sensitivity options
gain sens

factory standard x61 option1 x40 option 2 x20

. 775V 1. 12V 2. 24V

Power figures are watts per channel,  both channels driven. 
©

¹ crest audio inc. 

Crest Audio specification literature is available in downloadable PDF format at our website http://www. crestaudio. com

Crest Audio reserves the right to make improvements in manufacturing or design which may affect specification. 

v. 1. 0

*A4500001*10/5/98

Crest Audio Inc. 100 Eisenhower Dr. ,  Paramus NJ 07652 USA TEL: 201. 909. 8700 FAX: 201. 909. 8744 http://www. crestaudio. com [. . . ]

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