Tapecorder M-4

Sony Corporation; Tokyo

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  • Year
  • 1954 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 152028

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Details
  • Tape Recorder
  • Power type and voltage
  • Dry Batteries / 1.5 & 2 x 67.5 Volt
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Tapecorder M-4 - Sony Corporation; Tokyo
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Tapecorder M-4 was produced by Tokyo Tsushin Kogyo, Ltd.
    Combined two-stage record and playback amplifier. RF bias oscillator, neon lamp for record indication. One rec/PB head, no erase head present. Jacks for microphone and headphones (monitor and PB). Tape transport uses a spring loaded motor drive with a centrifugal governor. Capstan has stroboscope dial for speed control. See also Sony M5B.
  • Source of data
  • -- Collector info (Sammler)
  • Author
  • Model page created by Bernhard Nagel. See "Data change" for further contributors.

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