7 Transistor TR-725

Sony Corporation; Tokyo

  • Year
  • 1962
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 82418

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 and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / 1 x 9 Volt
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 7 Transistor TR-725 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 119 x 66 x 30 mm / 4.7 x 2.6 x 1.2 inch
  • Notes
  • SW: 3.9 ... 12 MHz

    Case in grey or cream colours. Leather bag was optional.

    Price in US: $39.95

  • Price in first year of sale
  • 8,800.00 JPY
  • Source of data
  • -- Schematic
  • Mentioned in
  • Advertisement on Quattroruote magazine - December 1962
  • Author
  • Model page created by Alessandro De Poi. See "Data change" for further contributors.

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