Super Sensitive Transistor TR-840D

Sony Corporation; Tokyo

  • Year
  • 1964–1967
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 141342

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Superheterodyne (common)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Dry Batteries / 6 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 1.8 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Super Sensitive Transistor TR-840D - Sony Corporation; Tokyo
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 276 x 215 x 90 mm / 10.9 x 8.5 x 3.5 inch
  • Notes
  • Sony TR-840D is a solid state battery operated 3-band portable receiver.

    Has fine tuning (bandspread capacitor) for SW.
    SW1: 2 ... 6 MHz
    SW2: 6 ... 10 MHz

    See also Sony TR-840DA with additional AC powering option.

  • Price in first year of sale
  • 51.45 AUS £
  • Source of data
  • - - Manufacturers Literature
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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