TR-820 8 Transistor

Crown Radio Corp.; Tokyo

  • Year
  • 1962–1964
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 184722
    • 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
  • 8
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / 4 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm
  • Power out
  • 0.26 W (unknown quality)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: TR-820 [8 Transistor] - Crown Radio Corp.; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 6 x 3 x 1 inch / 152 x 76 x 25 mm
  • Notes
  • Crown TR-820 AM / SW pocket radio with telescop antenna built-in for SW broadcast, metal front
  • Source of data
  • -- Original prospect or advert
  • Author
  • Model page created by Eckhard Wegner. See "Data change" for further contributors.

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