Dolby CP650

Dolby CP650
Dolby CP650

CP650 Digital Cinema Processor. The Dolby CP650 series is designed for easy operation in today’s multiplex environment. A variety of models provide flexibility of configuration choices from film playback to digital cinema audio.

External setup software allows complete control of all processor calibration settings from a laptop computer, including the EQ Assist system that enables a rapid initial equalization of the theater. Audio processing configurations may include Dolby Surround 7.1 (D-cinema audio), 5.1 digital PCM (D-cinema audio), Dolby Digital Surround EX (film and bitstream), Dolby Digital (film and bitstream), Dolby Pro Logic, and digital noise reduction processing (Dolby A-type and Dolby SR).

Main Audio Output

25-pin male D-connector, balanced or floating
Maximum level, balanced loads: +26 dBu (15.5 V)
Maximum level, unbalanced loads: +20 dBu (7.75 V)
Dolby level output adjust range: –31 to –12 dBu (20–780 mV)

Option Card I/O

25-pin female D-connector for digital bitstream input and surrounds output when equipped with the Cat. No. 790 option card L, C, R mid and high crossover outputs with Cat. No. 791 option card

Nonsync Inputs

RCA-type female phono connectors for two stereo nonsync sources Input impedance: 21 kΩ
Sensitivity: 0.2–4 V (NS 1), 0.06–1.5 V (NS 2)

Six-Channel Audio Input

25-pin female D-connector for external six-channel analogue source
Input impedance: 10 kΩ (L, R), 27 kΩ (C, Ls, Rs, SW)
Operating level: 300 mV

RS-232C Serial Data Input Port

9-pin female D-connector to connect external PC for setup and automation control

Ethernet Connector

RJ-45 female for automation control and subtitling timing data

Microphone Input

XLR female connector, balanced, for Auditorium Assist, PA, or B-chain alignment mic (or multiplexer)
Phantom power available (+15 V)

Optical Inputs

9-pin female D-connectors, balanced, for two stereo solar cells or analogue LED readers
Power available for external cell preamp circuits (±14 V/40 mA)

Loudspeaker Equalization

L, C, R, Ls, Rs, Bsl, Bsr: digital 27-band, 1/3-octave
Le, Re (with optional Cat. No. 791): digital 27-band, 1/3-octave
SW: Digital parametric


Typically 0.005% in Dolby SR mode (output –10 dBu, input 10 dB over Dolby level)

Dynamic Range

Typically 105 dB with fader set to 7

Power Requirements

100–120 and 200–240 VAC, 50–60 Hz,
100 W maximum (including built-in bypass power supply where applicable)


3-U rackmount chassis; faceplate: 133 x 483 mm (5.25 x 19 inches)
Maximum projection behind equipment rack rail: 365 mm (14.4 inches)
Maximum projection in front of mounting plate: 38 mm (1.5 inches)


Net: 10.4 kg (23 lb)

Environmental Conditions

Operating: 0°C–40°C (32°F–104°F), forced-air cooling, 20%–80% relative humidity (noncondensing)

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Magna-Tech Electronic Co., Inc.
329 Palermo Ave. 1st Floor
Coral Gables, FL 33134-6601 USA
Phone: (305) 573-7339
Fax: (305) 573-8101
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