Compact Disc Player CD-73

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1983
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 86461

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • CD-Player, -Writer, MD, MOD (audio); Remote Control (with wire or wireless)
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Compact Disc Player CD-73 - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 416 x 81 x 300 mm / 16.4 x 3.2 x 11.8 inch
  • Notes

  • The second hi-fi stereo compact disc player released by Marantz in 1983, housed in a metal case with front loading tray. With push button switches for Open/Close, Next Program/Play, Pause, Rev., F.F., Stop/All Cancel, Select, Preset, Repeat and Cancel, 15 LED track indicators, LED indicators for Repeat, Overflow, Laser, Standby and Pause. On the back, RCA phono sockets for Line Output and for Remote Control connection to the RC430 Remote Control Receiver with the RMC-12 infrared remote control using the Marantz Digital BUS system.

    With Philips CDM-0 or CDM-1 CD player mechanism and first generation Philips chipset.
    SAA7010 CD-Decoder
    SAA7000 Interpolation
    SAA7020 Error correction
    SAA7030 Fourfold-Oversampling and digital filter
    TDA1540 14 + 2 bit D/A converter (one per audio channel).

    Specification  
    Audio Performance  
    Number of Channels 2
    Frequency Range 20-20,000 Hz
    Dynamic Range >90 dB
    Signal-to-Noise Ratio >90 dB
    Channel Separation >90 dB
    Total Harmonic Distortion (incl. noise) <0.005%
    Wow and Flutter quartz crystal precision
    D/A Conversion 16 bit with digital filtering
    Error Correction System Cross Interleave Reed Solomon Code (CIRC)
    Audio Output Level 2V rms
    Optical Readout System  
    Laser semi-conductor AlGaAs
    Wavelength 0.78µm
    Signal Format  
    Sampling Frequency 44.1 kHz
    Quantization 16 bit linear/channel
    Disc  
    Diameter 120 mm
    Thickness 1.2 mm
    Sense of rotation
    (seen from reading side)    		 anti-clockwise
    Scanning velocity 1.2-1.4 m/s
    Rotation speed 500-200 rpm
    Playing time (max) 60 min (stereo)
    Track pitch 1.6µm
    Material Plastic

    Power Supply
    Mains Voltage: 110/120/220/240V AC 50/60Hz with voltage selector

    Power Consumption: 40 Watts approx

    Made in Belgium

  • Net weight (2.2 lb = 1 kg)
  • 8 kg / 17 lb 9.9 oz (17.621 lb)
  • Source of data
  • - - Data from my own collection
  • Mentioned in
  • -- Original prospect or advert (1983-84 Marantz Hi-Fi catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual Marantz CD-73)
  • Author
  • Model page created by Peter Böhm. See "Data change" for further contributors.

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The model Compact Disc Player is part of the collections of the following members.

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