• Year
  • 1970 ??
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 189738

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
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Dry Batteries / 5 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: M-138 - Sanyo Electric Co. Ltd.;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 220 x 120 x 60 mm / 8.7 x 4.7 x 2.4 inch
  • Notes

  • Lever to work with 4 positions, plus record key. Automatic level control. Possible external power supply 7.5 volts. Connections for microphone (2), aux and ear. Mobile handle, approaching and in rotation.
    Manopola per il funzionamento con 4 posizioni, più tasto registrazione. Registrazione automatica. Possibile alimentazione esterna 7,5 volt. Prese per microfono (2), aux e ear. Maniglia mobile, sia in rientro, che in rotazione.
  • Net weight (2.2 lb = 1 kg)
  • 1.6 kg / 3 lb 8.4 oz (3.524 lb)
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Felice Nicolini. See "Data change" for further contributors.

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