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Crest Audio CD 1500 1500W Power Amplifier

Item #: 
127474181826571740
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The CD 1500 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 1500 is very versatile, whether powering nightclu... Click To Read More About This Product

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Overview

The CD 1500 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 1500 is very versatile, whether powering nightclub systems or high school gymnasiums.

A traditional linear power supply is used in the CD Series. 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, rackmount 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 the CD 1500's design is the amount of power needed over time. This amplifier will dramatically reduce the number of kW/hr needed for operation.

FEATURES

  • 8 Ohm Stereo ” 400 W
  • 4 Ohm Stereo - 750 W
  • 2 Ohm Stereo - 900 W
  • 8 Ohm Bridged - 1500 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 1500
  • Stereo Power 8 Ohms: 400 Watts
  • Stereo Power 4/2* Ohms: 750 Watts
  • Stereo Power 2 Ohm: 900 Watts
  • Bridged Power 8/4* Ohm: 1500 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: 64V 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): 12A /8A
  • Current draw (120VAC) 1/8 power, 4 ohms: 3.6A
  • 1/3 power, 4 ohms: 7.5A
  • At idle: 1.1A
  • Thermal emissions 1/3 Power, 4 ohms BTU / hr: 614
  • 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: 37.2 lb (17 kg)
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