Walkman WM-707

Sony Corporation; Tokyo

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  • Year
  • 1989 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 371401

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Batteries / addl. power jack
  • Loudspeaker
  • - For headphones or amp.
  • Power out
  • 0.01 W (undistorted)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Walkman WM-707 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 104.6 x 72 x 25.2 mm / 4.1 x 2.8 x 1 inch
  • Notes

  • Sony WM-707 Walkman

    Radio section

    • Frequency range: TV: 1- 12 ch; FM: 76.0-90.0 MHz; AM: 531-1,629 kHz
    • Antenna FM/TV: Earphones cord antenna; AM: Built-in ferrite bar antenna

    Tape recorder section and general

    • Frequency response (DOLBY NR off): 20-18,000 Hz
    • Input: Microphone input (stereo mini) jack (PLUG IN POWER), sensitivity 0.4 mV (-65dB) for lower impedance microphone.
    • Output: Earphones (PHONES/REMOTE jack), load impedance 8-300 Ω.
    • Power output: 5 mW + 5 mW at DC operation (16 Ω).
    • Power requirements: 1.5 V DC; Rechargeable battery; One R6 (size AA) battery; Sony EBP-7 battery case (optional) for use with two R6 (size AA) batteries; Sony DCC-70 (optional) for use with 12 V car battery. 
    • Dimensions: Approx. 104.6 x 72 x 25.2 mm (w/h/d), not incl. projecting parts and controls; Approx. 106.2 x 75.1 x 28.1 mm (w/h/d) incl. projecting parts and controls
    • Weight Approx. 190 g incl. rechargeable battery, not incl. other accessories
    • Accessories supplied: Battery case (1); Carrying pouch (1);   Battery charger (1); Rechargeable battery (1); Lithium battery (1); Stereo earphones with remote controller (open-air type 1); Plug adaptor (1); Ear adaptors (2); Electret condenser microphone (1); Microphone stand (1); Clip (1); AC plug adaptor (1).

    Using the unit outside of Japan

    Radio frequency range can be changed when you use this unit outside of Japan.

    1. Remove the rechargeable battery, the lithium battery, and the battery in the battery case, and keep them out about a minute.

    2. In the U.S.A. and Canada

    • While pressing the SCAN + button, insert the rechargeable battery or the battery. The frequency range will change to FM: 87.5-108 MHz/AM: 530-1,670 kHz.

         In other countries

    • While pressing the SCAN - button, insert the rechargeable battery or the battery. The FM frequency range will change to 87.5-108 MHz. The AM frequency range, however, will not change.

    3. Insert the lithium battery and then insert the battery or the rechargeable battery.

    To return to the Japanese frequency range

    1. Remove the rechargeable battery, the lithium battery, and the battery in the battery case, and keep them out about an hour.

    2. Insert the lithium battery first, then the rechargeable battery, then insert the battery in the battery case. 

  • Mentioned in
  • - - Manufacturers Literature (Service Manual and Operating Instructions)
  • Author
  • Model page created by Brian Stevens. See "Data change" for further contributors.

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