CD Compact Player (Discman) D-50

Sony Corporation; Tokyo

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  • Year
  • 1984
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 212838

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • CD-Player, -Writer, MD, MOD (audio)
  • Power type and voltage
  • Batteries / addl. power jack / C: 6 x 1.5 / 9 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: CD Compact Player D-50 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 127.5 x 42 x 133 mm / 5 x 1.7 x 5.2 inch
  • Notes

  • The Sony D-50 CD Compact Player and the Sony D-5 CD Compact Player (US version) were the first portable CD players made in 1984. Black & red colors known. Supplied with a Sony dockable AC mains adaptor model AC-D50. Can be powered by 6 'C' cell batteries or 6 Sony KR-C-F-2 nickel-cadmium rechargeable batteries when held in the optional Sony EBP-9LC battery case. Also available an optional Sony DCC-120 car battery cord for use with a 12V car battery. Weight complete discman and adaptor 1070 gr., total depth 185mm.

    Specification  
    System Compact Disc Digital Audio System
    Disc Compact Disc
    Laser (KSS-110A) Semiconductor laser (λ = 780nm)
    Spindle speed 200 r.p.m. to 500 r.p.m.(CLV)
    Scan velocity 1.2-1.4 m/sec.
    Error correction Sony Super Strategy Cross Interleave Read Solomon Code
    Number of channels 2
    D-A conversion 16-bit linear
    Frequency response 20-20,000Hz +ldB,-3dB
    Harmonic distortion Less than 0.0095 % (1 kHz)
    Dynamic range More than 90 dB (1 kHz)
    Channel separation More than 82 dB (1 kHz)
    Wow and flutter Below measurable limit
    Outputs  
    Line outputs (stereo minijack) Output level 1.6V rms (at MSB)
    Load impedance over 10 kilohms
    Headphones (stereo minijack) 10mW +10mW at 32 ohms

    Versions
    AEP
    UK
    E

    Power consumption   4 W

  • Net weight (2.2 lb = 1 kg)
  • 0.590 kg / 1 lb 4.8 oz (1.3 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual D-5/D-50)
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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The model CD Compact Player (Discman) is part of the collections of the following members.

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