• Year
  • 1959
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 88536

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 3 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) / Ø 2.25 inch = 5.7 cm
  • Power out
  • 0.05 W (undistorted)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: TR-86 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 2.9 x 4.5 x 1.38 inch / 74 x 114 x 35 mm
  • Notes
  • The Japan Sony Model TR-86 is a battery operated Portable Transistorized AM radio.

    - Vertical shirtpocket transistor.
    - Weight listed does not include 9V battery.
    - Upon release the Sony TR-86 was available in four colors: black, ivory, green and red.

    Identical with USA Delmonico model Sony TR-86.

  • Net weight (2.2 lb = 1 kg)
  • 0.230 kg / 0 lb 8.1 oz (0.507 lb)
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 22, 1962
  • Literature/Schematics (3)
  • Transistor Radios (page 104, photo in black/white (not color).)
  • Literature/Schematics (4)
  • Made in Japan Transistor Radios [50's and 60's], 1993 Handy, p. 26, pics ivory, black, red versions.
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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