• Year
  • 1962 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 120636

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / AA: 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Seven Transistor 7S-P9 - Sanyo Electric Co. Ltd.;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • 7 transistor, 2 diodes, one thermistor, 2¼ " speaker, dual-wave, telescopic detatchable aerial, with leather case & earphone. Requires 4 x AA batteries.

    Frequency Range:

    MW: 535 - 1605 kHz
    SW: 3.9 - 12 MHz

    Marketed in Australia by Sanyo Sales & Service Co. between 1962 & 1964 & sold for £30/9/-, batteries included.

  • Author
  • Model page created by Matteo Vannini. See "Data change" for further contributors.

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