Dolby CP750

Dolby CP750
Dolby CP750

The Dolby Digital Cinema Processor CP750 provides easy-to-operate audio control in digital cinema environments. It supports innovative Dolby Surround 7.1 premium surround sound and integrates seamlessly with existing technologies. Designed specifically for digital cinemas, the Dolby Digital Cinema Processor CP750 delivers the best in surround sound from all content sources. In addition to the digital cinema formats (Dolby Surround 7.1 and 5.1 digital PCM), it also decodes Dolby Digital Surround EX (bitstream), Dolby Pro Logic II, and Dolby Pro Logic. The Dolby CP750 is ready for the network operations center (NOC) and can be monitored and controlled anywhere on the network for status and function. Hearing-impaired (HI) and auxiliary analog outputs complement the Dolby CP750's main eight-channel audio output.

  • Eight-Channel Digital Input (4 × AES/EBU) for Digital Cinema Server. Includes support for Dolby Surround 7.1; provides access to hearing-impaired (HI) and visually impaired-narrative (VI-N) tracks when provided on 7/8.
  • Two Digital Pair Inputs (1 × AES/EBU each. Connects alternative content sources (for example, preshow server or satellite receiver).
  • Toslink Digital Input. Connects alternative content sources that output optical digital audio.
  • Eight-Channel Analog Input. Connects an existing film sound processor for hybrid installations or retrofits.
  • USB Connector. Allows easy setup of your system from a PC.
  • Ethernet Connector For connection with the Dolby Show Manager network; allows monitoring, control, or upgrades anywhere on the network for glitch-free shows

Ethernet Connector

RJ-45 for network connection and PC setup software

Automation Connector

25-pin female D-connector, floating ground

RS-232 Serial Port

9-pin female D-connector

Remote Connector

RJ-45 connector for use with optional Remote Fader CAT868 (not an Ethernet connection)

Backup Power Port

4-pin female XLR connector for use with optional External Power Supply CAT994

AC Input

Simple unswitched IEC power inlet module

USB Port

For connection to PC to run setup software


44.1, 48, and 96 kHz; 16-, 20-, and 24-bit

Dolby Digital (AC-3)

Up to 5.1 channels

Dolby Pro Logic

L, C, R, and S (SW configurable)

Dolby Pro Logic II

L, C, R, Ls, and Rs (SW configurable)

Dolby Digital Surround EX

L, C, R, Ls, Rs, Bsl, Bsr, and SW


L, R, and S (SW configurable)

Global Audio Delay

All input sources separately adjustable from 0–250 ms

Surround Delay

Digital surround delay: 0–150 ms; Dolby Pro Logic surround delay: 0–150 ms


Eight-channel 1/3-octave plus parametric for SW

Dynamic Range

Typically 105 dB clip to CCIR/ARM weighted without noise optimizer enabled, up to 10 dB more with optimizer enabled


Typically 0.005% from eight-channel analog input to main output

Power Requirements

100–240 VAC, 50–60 Hz


2-U rackmount chassis
89 × 432 mm (3.5 × 17 inches)
Overall depth, including connectors and fader knob: 269 mm (10.6 inches)
Depth behind rack ears, including connectors: 248 mm (9.75 inches)
Depth in front of rack ear mounting surface: 24 mm (0.94 inches)


Net: 4.2 kg (9.4 lb)

Environmental Conditions

Operating: 0°C–40°C (32°F–104°F)
Humidity: 20%–80% relative humidity (noncondensing)

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Magna-Tech Electronic Co., Inc.
6114 NW 74th Ave.
Miami FL 33166 USA
Phone: (305) 573-7339
Fax: (305) 573-8101
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