• Year
  • 1966 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 111664

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

 Technical Specifications

  • Number of Transistors
  • 8
  • 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 / 2 x 1.35 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 1R-81 - Sony Corporation; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 2.5 x 1.75 x 0 inch / 64 x 44 x 0 mm
  • Notes
  • Supplied in clamshell box. Gross weight 0.220 kg.g

    Batteries: 2 button cells RM640 (Mercury)

  • Net weight (2.2 lb = 1 kg)
  • 0.190 kg / 0 lb 6.7 oz (0.419 lb)
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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