User Manual for Crest Audio CC2800 Professional Power Amplifier Click to enlarge the picture
Contents of the user manual for the Crest Audio CC2800 Professional Power Amplifier
- Product category: Power Amplifiers Crest Audio
- Brand: Crest Audio
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Crest Audio Power Amplifiers
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User manual for the Crest Audio CC2800 Professional Power Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Crest Audio product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Crest Audio user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Crest Audio product will considerably shorten its lifespan!
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Product description The 2RU CC2800 Professional Power Amplifier from Crest Audio is designed to deliver stable high power output for running main systems, monitors and subwoofers. The amplifier can be operated in parallel, stereo, or mono bridged mode. It features two channels with independent 100 Hz crossovers and a power rating of up to 2800W bridged at 4Ω. This amplifier features 16 power devices per channel, and a switched-rail class H stage and triple-compound design to provide low distortion and thermal stability. The on-board protection suite includes Crest Audio's proprietary ACL (Automatic Clip Limiting) circuitry, which prevents the amplifier from sending potentially damaging clipped signals to the loudspeakers. It also features Temperature, Signal, and Active safeguards for each channel, all referenced on the front panel with LED indicators along with the ACL indicators. It features a toroidal power transformer and a magnetic circuit breaker On/Off switch. This unit is cooled by two variable speed fans with back-to-front airflow. - Mode selector switch for stereo, parallel, and bridged-mono operation
- ACL (Automatic Clip Limiting) protection
- Instantaneous Gain Modulation (IGM) circuit adjusts the channel gain to a safe level
- AUTORAMP signal control attenuates the signal while the speakers are disconnected
- Magnetic circuit breaker on/off switch
- Cooled by variable speed fan with back-to-front airflow
- Recessed, stepped attenuators
- Balanced female XLR, 1/4" TRS combi jack inputs
- Speakon and five-way binding post outputs
- 16-gauge steel chassis, cast aluminum front panel
UPC: 875866001672 In the Box Crest Audio CC2800 Professional Power Amplifier (2800W, 2RU) 2 x Rack Mounting Ears Limited 5-Year Warranty Table of Contents
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Technical parametersCrest Audio 01000700 Specs | Power Rating | Bridge 4 Ω: 2800 W @ 1 kHz, < 0.1% THD
2 Channels x 2 Ω: 1400 W per channel @ 1 kHz, < 0.1% THD, both channels driven
2 Channels x 4 Ω: 965 W per channel @ 1 kHz, < 0.05% THD, both channels driven
2 Channels x 8 Ω: 595 per channel W @ 1 kHz, < 0.05% THD, both channels driven | | Damping Factor | > 500:1 @ 20 Hz to 1 kHz @ 8 Ω | | Input Sensitivity | 4 Ω Rated power, 1 kHz: 1.7 V ± 3% | | Input Impedance | 15 kΩ balanced | | Minimum Load Impedance | 2 Ω | | Maximum RMS Voltage Swing | 82 V | | Frequency Response | 10 Hz to 100 kHz, +0 dB, -2 dB @ 1 W | | Power Bandwidth | 10 Hz to 35 kHz, +0 dB, -3 dB @ rated 4 Ω power | | Input CMRR | > - 65 dB @ 1 kHz | | Voltage Gain | x40, 32 dB
x20, 26 dB | | Crosstalk | > -65 dB @ 1 kHz @ rated power @ 8 Ω | | Class | Switched rail, H | | Hum and Noise | > -111 dB, "A" weighted referenced to rated power @ 8 Ω | | Connectors | Rear Panel:
1 x 3-pin IEC, AC power input
1 x Speakon, channel A output
1 x Speakon, channel B output
2 x Speaker terminal, channel A output
2 x Speaker terminal, channel B output
1 x Combo 1/4" XLR, channel A input
1 x Combo 1/4" XLR, channel B input | | Controls | Front Panel:
1 x Channel A rotary knob
1 x Channel B rotary knob
1 x AC Power On/Off switch
Rear Panel:
1 x Mode selection switch (bridge / parallel / stereo)
1 x Gain select switch (Out: x40 (32 dB) / In: x20 (26 dB) | | LED Indicators | Front Panel:
2 x Active
2 x Temperature
2 x Channel Signal
2 x ACL (Automatic Clip Limiting) | | Cooling | 2 Temperature dependent variable speed 80 mm DC fans (rear panel) | | Power Requirements | Current Draw @ 1/8:
570 W, 4.75 A @ 2 Ω
880 W, 7.34 A @ 4 Ω
1,250 W, 10.41 A@ 8 Ω
Current Draw @ 1/3:
1,355 W, 11.30 A @ 2 Ω
2,220 W, 18.5 A @ 4 Ω
2,905 W, 24.3 A @ 8 Ω | | Dimensions | 3.5 x 19.0 x 14.9" (8.9 x 48.3 x 37.8 cm)
+Ears and Connectors: 1.25" (3.2 cm) | | Weight | 39.8 lb (18.05 kg) | | | | Package Weight | 45.0 lb | | Box Dimensions (LxWxH) | 22.8 x 21.4 x 6.0" |
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