• Year
  • 1989 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 316044

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • CD-Player, -Writer, MD, MOD (audio); Hi-Fi equipment
  • Power type and voltage
  • Direct Current supply (DC) / 9 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Discman D-25 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 127.3 x 24.1 x 136.2 mm / 5 x 0.9 x 5.4 inch
  • Notes
  • A small portable stereo compact disc player powered by either a supplied 9 volt AC mains adaptor or a supplied rechargeable battery pack. Can also be powered by a car battery via an optional CPM-100P car mounting kit or DCC-120 car battery cord both of which which plug into the car cigar lighter. AVLS antivibration System. Jacks for DC In 9V, Line Out, Remote and Phones with volume control. Display window showing Track number and elapsed time. AMS function, Program, Repeat and Shuffle play modes.

    Specification  
    System Compact disc digital audio system
    Error correction Sony Super Strategy Cross Interleave Reed Solomon Code
    D-A conversion 16-bit linear, 4 times oversampling digital filter
    Frequency Response 20 - 20,000 Hz ±1dB
    Dynamic range More than 90dB
    Signal-to-noise ratio More than 85dB
    Wow and flutter Below measurable limit
    Line Out
    (Stereo minijack)
    Output level 0.7V rms at 50 kΩ
    Load Impedance over 10kΩ
    Headphones 9mW + 9mW at 32Ω

    Supplied Accessories
    AC Power Adaptor
    Rechargeable battery pack
    Carrying case
    Connecting cord (stereo miniplug -> two phono plugs)

    Optional Accessories
    BP-100 Rechargeable battery pack
    CPM-100P Car Mount plate
    DCC-120A car battery cord
    CPA-1 or CPA-2 Car connection kit
    RM-DM1K (wireless) or RM-DM2 (wired) remote control

    9V mains adaptor versions
    US AC-940 model:  120V AC 60Hz
    Canada AC-930A model: 120V AC 60Hz

    Power Consumption: 1.9W DC

    Very similar to the Sony D-250 (AEP, UK, E & Australia models) Discman.

  • Net weight (2.2 lb = 1 kg)
  • 0.380 kg / 0 lb 13.4 oz (0.837 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual D-25/250)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Operating Instructions dated 1989)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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