14 Transistor (Japan 903)

Supersonic (Spiegel, Inc); Chicago, IL

  • Year
  • 1965 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 342357

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

 Technical Specifications

  • Number of Transistors
  • 14
  • Semiconductors
  • Main principle
  • Superheterodyne (common); 6 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 1 x 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 14 Transistor - Supersonic Spiegel, Inc;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • Externally similar to the models reported under Encore 12 Transistor.

    Similar circuit as the 12 Transistor models except with added audio amplifier stages.

    Made in Japan 903

  • Author
  • Model page created by Aldo Andreani. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum