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Sony CDP-770

Stereo Compact Disc Player (1989)

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Sony CDP-770


Disc format: CD

Digital converter: 2 x PCM56P

CD Mechanism: KSS-210A

Frequency response: 2Hz to 20kHz

Dynamic range: 95dB

Signal to Noise Ratio: 102dB

Channel separation: 98dB

Total harmonic distortion: 0.003%

Line output: 2V

Digital outputs: optical

Dimensions: 430 x 95 x 275mm

Weight: 3.5kg

Accessories: remote commander


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CDP-770 has Burr Brown PCM56P DAC

The Sony CDP-770 CD player is fitted with two Burr Brown (now Texas Instruments) Multibit PCM56P Digital to Analog Converters (DAC) from around 1989.

Some info from the datasheet for the PCM56P:
The PCM56 is specified to provide critical performance criteria for a wide variety of applications. The most critical specifications for D/A converter in audio applications are Total Harmonic Distortion, Differential Linearity Error, Bipolar Zero Error, parameter shifts with time and temperature, and settling time effects on accuracy.

Some specs from the datasheet for the PCM56P:
–92dB MAX THD (FS Input K Grade) / –74dB MAX THD (–20dB Input K Grade) / 96dB dynamic range / 16-bit resolution.
The discontinued product PCM61P is an 18-bit totally pin compatible performance replacement for the popular 16-bit PCM56P.

This website is not affiliated with or sponsored by Sony. To purchase CDP-770 spares or accessories, please contact the company via their website or visit an authorised retailer.