• Year
  • 1971 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 107588
    • alternative name: Hitachi Sales Corp. of America

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
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 2 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch
  • Power out
  • 0.18 W (undistorted)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: TH-831 - Hitachi Ltd.; Tokyo
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 3.5 x 4.5 x 1.5 inch / 89 x 114 x 38 mm
  • Notes
  • presa per auricolare - maniglia di trasporto - antenna interna in ferrite.

  • Net weight (2.2 lb = 1 kg)
  • 0.410 kg / 0 lb 14.4 oz (0.903 lb)
  • Mentioned in
  • -- Schematic
  • Literature/Schematics (1)
  • Funk-Technik (FT) (12/1971, S. 441 / Messebericht Hannover)
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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