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The 2RU CC 1800 Power Amplifier from Crest Audio is a rackmountable power amplifier which incorporates tunnel-cooled heat sinks, variable-speed DC fans, and protection circuitry for efficiency into difficult loads and power conditions. The CC 1800 features 16 devices per channel, a switched-rail class H output stage, and triple-compound design to provide low distortion and thermal stability. The amplifier utilizes a linear power supply and delivers stable high power output for running main systems, monitors, and subwoofers.
Toroidal power transformer
Variable speed fan
Speakon and 5-way binding post speaker outputs
Mode selector switch for stereo, parallel, and bridged-mono operation
Input sensitivity selection
Recessed, stepped attenuators
Front panel circuit-breaker switch
In the Box
Crest Audio CC 1800 Power Amplifier (2RU)
Limited 5-Year Warranty
Table of Contents
@ 8 Ω: 450 W
@ 4 Ω: 700 W
@ 2 Ω: 900 W
Bridged Mono Power:
@ 4 Ω: 1,850 W
Output Voltage RMS:
10 Hz - 100 kHz; +0, -2 dB at 1 W
10 Hz - 35 kHz; +0, -3 dB at rated 4 Ω power
150 : 1 @ 20 Hz to 1 kHz @ 8 Ω
Selectable between x 40 (32 dB) and x 20 (26 dB)
(x40) 1.32 V ± 3% for 1 kHz, 2 Ω rated power
15 kΩ balanced
Hum and Noise
A-weighted @ rated power 8 Ω -106 dB
-55 dB @ 1 kHz @ rated power 8 Ω
Back to front via single variable speed fan
@ 120 VAC
At 8 Ω: 400 W 3.4 A
At 4 Ω: 685 W 5.71 A
At 2 Ω: 1,000 W 8.34 A
At 8 Ω: 1,000 W 8.34 A
At 4 Ω: 1,650 W 13.75 A
At 2 Ω: 2,340 W 19.5 A
1 x XLR female, input
1 x Speakon, output
1 x 5-way binding post, output
2 x recessed stepped attenuator
Circuit breaker/power switch
1 x mode select
1 x gain select
LED, Signal presence
LED, Active clip limiting
LED, Active status