• Year
  • 1960
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 91785

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; 3 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 3.9 / 4.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 0.09 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: TR-730 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 76 x 57 x 29 mm / 3 x 2.2 x 1.1 inch
  • Notes
  • 1963 Sony released a children's book titled 'Randy the Transistor Radio' that featured this radio, brought to life as a cartoon character with arms and legs!

    Sony TR-730 supplied with leather carrying case , earphone with leather case , Original battery was SONY M003P 4,5 V

  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 24, 1964
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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