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Crest Audio CD 1000 1000W Power Amplifier  

Item #: 
127474181826571742
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The CD 1000 Power Amplifier combines a linear power supply and a Class D output to deliver Crest power in a compact and cost-effective package. The CD 1000 is very versatile, whether powering nightclu... Click To Read More About This Product

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Overview

The CD 1000 Power Amplifier combines a linear power supply and a Class D output to deliver Crest power in a compact and cost-effective package. The CD 1000 is very versatile, whether powering nightclub systems or high school gymnasiums.

A traditional linear power supply is used in Crest's CD Series power amplifiers. Because of the efficiency of the switching output stage, the transformer does not need to be big or heavy. This gives the CD Series amps an advantage in delivering huge power in a compact package. The efficiency of the output stage also gives the power supply the ability to handle heavy duty cycles without compromising sonic integrity.

Crest Audio's engineering has also maintained sonic quality while incorporating the advantages of a switching output stage. High-power Class-D topology is the key to its efficiency and low operating temperature. An additional advantage to this design is the amount of power needed over time. The CD 1000 amplifier will dramatically reduce the number of kW/hr needed for operation.

Features
  • 8 Ohm Stereo ” 280 W
  • 4 Ohm Stereo - 500 W
  • 8 Ohm Bridged - 1000 W
  • Dramatically reduced net weight
  • Linear power supply / Class D output stages
  • Very low current draw
  • Latest generation of high-speed, mosfet output devices
  • Cooled by variable-speed fan with back-to-front airflow
  • Inputs: balanced female XLR, 1/4" TRS combi jacks
  • Outputs: Speakon and five-way binding posts
  • Mode selector switch for stereo, parallel and bridged-mono operation
  • Ground-lift switch and rear panel circuit breaker
  • Recessed, stepped attenuators with removable knobs
  • 16-gauge steel chassis, cast aluminum front panel
  • TourClass protection circuits
  • ACL (Active Clip Limiting) prevents speaker damage by providing gentle gain reduction when signal approaches the clipping threshold
  • IGM (Instantaneous Gain Modulation) monitors speaker loads to detect conditions that may over-stress output devices, allowing safe operation into nominal 2 Ohm speaker loads
  • AUTORAMP gradually increases gain to the attenuator level-settings when the amplifier is turned on, preventing abrupt turn-on levels
  • Other protection features include: short circuit, DC voltage, comprehensive thermal management, current in-rush turn-on/off transient and sub/ultrasonic input
  • Five-year warranty
Specifications
  • Model: CD 1000
    Stereo Power 8 Ohms: 280 Watts
    Stereo Power 4/2* Ohms: 500 Watts
    Bridged Power 8/4* Ohm: 1000 Watts
    1kHz, 0.2% THD+N Power figures are watts per channel, both channels driven.
    *11kHz, 0.4% THD+N for 2 ohm stereo and 4 ohm bridged operation.
    Maximum output voltage: 53V RMS
    Frequency response 1W @ 8 ohms: 20Hz”20khz, +/-1db
    Power bw rated power @ 4 ohms, 1% THD+N: 20Hz”20khz, +/-1db
    THD + N: <0.2% rated power @ 4 ohms, 1khz power @ 8 ohms
    Imd; SMPTE/DIN 4:1 (60 Hz / 7 khz): <0.35% @ -3 db below rated
    Damping factor: 400:1 @ 8 ohms (20 Hz to 100 Hz)
    Input CMRR: >60db @ 1khz
    Gain / input sensitivity @ 4 ohms: Selectable: x20, x40, or .775 V for full rated output power
    Input impedance: >20kohms balanced, >10kohms unbalanced
    Hum and noise: > -100db, A-weighted below rated power @ 4 ohms
    Crosstalk: > -60db below max rated power (1khz)
    Class: D
    Power supply: Linear with toroid transformer
    Circuit breaker rating (120V/230V): 10A /6A
    Current draw (120VAC) 1/8 power, 4 ohms: 2.6A
    1/3 power, 4 ohms: 5.3A
    At idle: 1.0A
    Thermal emissions 1/3 Power, 4 ohms BTU / hr: 484
    Cooling: Back to front via variable speed DC fan
    input connectors: balanced female XLR, 1/4" TRS, unbalanced 1/4" TS on Neutrik combo connectors
    output connectors: Five-way "touch-proof" binding posts and Neutrik Speakon connectors (which presents
    both outputs on the A Speakon for bi-amplified applications)
    controls: front panel: twin recessed stepped attenuators, power switch
    rear panel: signal ground-lift, mode select, gain select, circuit breaker
    LED indicators: signal level (5 element bargraph), protect, active, ACL / IGM
    Construction: 16-gauge steel chassis, cast aluminum front panel - optional handles available
    Dimensions (W x H x D): 19" x 3.5" x 15.375" (483 x 89 x 391 mm)
    Weight: 30 lb (13.6 kg)
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