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Class D amplifier CDA7.5
Overview Specs Downloads

Ideal for cinema audio applications, the line of Christie® CDA professional amplifiers offer a range of power options to meet a variety of uses. Utilizing an advanced high-speed Class D architecture and high current switch mode power supply, these amplifiers offer high power output and efficiency with very low heat output, fast transient response and stability. The Christie CDA amplifiers are perfectly matched to complement the rest of the Christi​e Vive Audio solution, providing dynamic and detailed cinema sound.

Features:

  • Class D architecture
  • Switch mode power supply
  • Neutrik XLR / TRS ¼" inputs, balanced +4dB professional level
  • Neutrik Speakon high current locking output connectors
  • Active, Signal Present, DC Protection and Thermal LED indicators
  • Stepped input level controls

Low energy

Reduced operating expenses

2-channel

Class D

Powerfully efficient with faster transient response and lower power

Low heat

Specifications

Rated power

  • 2 x 2 ohms:
  • 3790W per channel @ 1kHz 1% T.H.D. both channels driven
  • 2 x 4 ohms:
  • 2030W per channel @ 1kHz at <0.1% T.H.D. both channels driven
  • 2 x 8 ohms:
  • 1170W per channel @ 1kHz at <0.1% T.H.D. both channels driven
  • 1 x 2 ohms:
  • 3900W @ 1kHz at <0.1% T.H.D.
  • 1 x 4 ohms:
  • 2400W @ 1kHz at <0.1% T.H.D.
  • 1 x 8 ohms:
  • 1300W @ 1kHz at <0.1% T.H.D.

Minimum load impedance

  • 2 ohms

Maximum RMS voltage swing

  • 124V

Frequency response

  • 20Hz-30kHz; 0dB, -3dB @ 1W

T.H.D.

  • 2 x 2 ohms:
  • <0.5% @ 3390W per channel from 20Hz-4kHz, decreasing to 3100W @ 20kHz
  • 2 x 4 ohms:
  • <0.1% @ 1850W per channel from 20Hz-20kHz
  • 2 x 8 ohms:
  • <0.1% @ 1170W per channel from 20Hz-10kHz, increasing to 1350W @ 20kHz

Input CMRR

  • >-75dB @ 1kHz

Rated power readings made with BW: <10Hz-22kHz. All power measurements made at 120 VAC. 2 ohm power is time limited by circuit breaker. Input power requirements: 120 VAC, 60Hz, 5A.

* Net weight does not include power cord.

Downloads

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Class D amplifiers

​Provides procedures for setting amplifier gain controls to nominal levels. Contact Christie technical support or your Christie Sales Manager if you require more information.

File format: pdf, 130 KB

 Nominal Amplifier Gain Control Settin...

05.30.2016

 Provides installation, operation, maintenance, and trouble-shooting information for the Christie Vive Audio CDA5/CDA7.5 Amplifiers. Contact Christie technical support or your Christie Sales Manager if you require more information.

File format: pdf, 2.7 MB

 Christie Vive Audio CDA5/CDA7.5 Ampli...

04.08.2014
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Instruction sheets

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Screen channel

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Technical bulletins

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User manuals