• Year
  • 1962 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 330545

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / 1 x 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Transistor 7 7TR-800 - TMK, Toyomenka America Inc.;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 129 x 73 x 31 mm / 5.1 x 2.9 x 1.2 inch
  • Notes
  • AM (535-1605 Hz) and shortwave (3.9-12 MHz) bands. US civil defense marks on AM station dial.  Detachable SW antenna stores in back of leather carrying case.  Dual earphone jacks.  Jack on back of case for additional external antenna.  Magnetic button on base of radio for a short tripod stand.

    Back of case embossed with "Osaka Onkyo Co., LTD" and "JAPAN" and "7TR-800" in a circle of sunken relief.

    Very similar to Onkyo 7TR-800 model.  Made by the same company of Toyomenka.  

  • Author
  • Model page created by Ray Albright. See "Data change" for further contributors.

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The model Transistor 7 is part of the collections of the following members.

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