User manual CREST AUDIO CPA1800 SPECIFICATIONS

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Manual abstract: user guide CREST AUDIO CPA1800SPECIFICATIONS

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

 [. . . ] CPA1800 power amplifier
description
The Crest Audio CPA1800 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. The CPA1800 provides high power output coupled with true clarity,  and is well-suited for high-powered subwoofers and passive full range systems. Absolute sonic accuracy is the hallmark of every Crest amplifier.  [. . . ] In bridged mono mode with an 8 load,  20Hz - 20kHz,  0. 1% THD+N,  it shall deliver a minimum of 3400 watts. 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. Two rear panel mounted variable speed DC fans (filters detachable without tools) shall provide back to front air flow through the chassis. Each channel shall have a standard (factoryset) input sensitivity of . 775 volt,  and shall be fitted with an external switch which allows the gain to be altered to X20 or X40. The hum and noise level shall be 115 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 H output stage. The frequency response shall be 20Hz20kHz,  +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 36 amperes at 120VAC (limited by front panel breaker). Front panel indicators shall include ACTIVE,  PROTECT,  SIGNAL,  and CLIP LED's for each channel. Front panel attenuators shall be recessed and detented. Rear panel input connectors shall be female TRS,  and XLR type,  rear-panel switchable for pin 2 (factory setting) or pin 3 positive.  [. . . ] *Three-year Warranty with two additional years,  if Registration Card is sent to Crest Audio. 

dealer-configurable gain/ sensitivity options
gain sens

factory standard x115 option1 x40 option 2 x20

. 775V 2. 24V 4. 47V

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

*A4500005*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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