Crown Super All Transistor TR-820 4 Transistor

Crown Radio Corp.; Tokyo

  • Year
  • 1959 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 106532
    • alternative name: Asahi Radio Mfg. Co., Ltd

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

 Technical Specifications

  • Number of Transistors
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 4 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: Crown Super All Transistor TR-820 [4 Transistor] - Crown Radio Corp.; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 5.5 x 3.25 x 2 inch / 140 x 83 x 51 mm
  • Notes
  • Crown 4 Transistor AM Radio Model TR-820.
    Frequency Range 535 - 1605 Kc.
    Imported by Shriro.

  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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