DOLBY CP-45 Stereo Analog 5.1 Channel Cinema Audio

DOLBY LABS

CP-45

Analog

6 Channel

Stereo Analog

Audio Cinema Sound Processor

Construction

3-U rack-mount chassis with plug-in modules accessible behind hinged front panel

Signal Connections Standard screw-type connectors for audio signals and projector changeover control signals; automation connections via 15-pin D-connector.

Signal Inputs treble adjustments for Ls and Rs channels, 50 or 100 Hz lowpass filter for subwoofer channel

Noise Level Typically 󿰁65 dB (CCIR/ARM weighted) referenced to Dolby level

Distortion Typically <0󿰀15%, any channel, 1 kHz, at Dolby level (50% modulation)

Accessories: Cat󿰀 No󿰀 515 Second Surround Channel Module Cat󿰀 No󿰀 516 Remote Fader: Cat󿰀 No󿰀 545 Automation Interface Adapter

Power Requirements: Power supplied via two outboard transformers includedNormal transformer supply 24 VAC, 1A Bypass transformer supply 24 VAC, 200 mADimensions and Weight

3-U rack-mount: 133 x 483 mm (5󿰀25 x 19 inches); maximum projection behind mounting surface:

308 mm (12󿰀1 inches); maximum projection in front of mounting surface: 40 mm (1󿰀6 inches)

Environmental Conditions 0° to 40° C (32° to 104° F)

Regulatory Notices: North America: This unit complies with the limits for a Class A digital device pursuant to Part 15 of the FCC rules󿰀 The unit also complies with Industry Canada ICES-003 Class A requirements, and is UL Listed for both US and Canada󿰀 Europe: This unit complies with the requirements of Low Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC, and carries the CE marking accordingly󿰀

Optical: Balanced inputs for two projectors equipped with stereo solar cells; adjustable slit-loss EQ circuitry for flat response from virtually any type of optical soundhead; cells available from Dolby Laboratories mounted on brackets for most projector types

Digital/Magnetic/Aux: Six-channel input for use with external digital adapter, magnetic preamp,

or auxiliary source; 300 mV operating level Nonsync: One pair of inputs for stereo nonsync source, 10 kΩ nominal input impedance, 30 mV maximum input sensitivity; internal 2:4 decoder may be used to generate ambient information for surround speakers from stereo sources

Mic: Balanced input for dynamic microphone; 1 kΩ nominal input impedance

Signal Outputs :Output impedance: 150Ω (load >600Ω)

Maximum level: 8󿰀2 dBu (2 V)

Dolby level output adjust range: 󿰁38 to 󿰁12 dBu (10󿰁200 mV)

Output for hearing-impaired: Center-weighted sum of L, C, R for connection to auxiliary hearing- impaired system; output impedance 2󿰀5 kΩ

Dolby Decoding: Two-channel Dolby A-type/Dolby SR processing for film soundtracks; 2:4 channel decoder derives L, C, R, and S channels from two tracks on Dolby A-type or Dolby SR optical prints, and can decode the Nonsync 1 input; incorporates an adjustable delay line to optimize front-to-back surround separation

Loudspeaker Equalization

Equalizers for left, center, and right screen speakers provide ±10 dB high- and low-frequency controls with adjustable turnover frequency, plus seven adjustable ±8 dB narrowband filters covering 63 Hz to 1󿰀8 kHz

This item is Sold complete in good operating condition.

This item was removed from a closed Cinema.

Features:

Left

Center

Right

Sub

Sub Woofer

  Octave Eq's

Time Delay

Optical Pre-Amp

Non Sync Input.

5.1 Channel Cinema Processor.

It can be used with all other standard Digital Processors

such as Dolby DA-20 and a  DTS 6D.

See our other ebay sales for

Dolby CP-200, CP-55, 65, CP-750 and CP-650 Processors

and

Cat 700, 701, 702 & Basement  Digital readers*.

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