• Year
  • 1966 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 174481

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 465 kHz; 2 AF stage(s); Reflex
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 4 x 1.5 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Changzheng 长征 4BS2 - Jinan Hongwei 济南红卫无线电厂
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 154 x 86 x 38 mm / 6.1 x 3.4 x 1.5 inch
  • Notes
  • 济南 = Jinan which is Ji'nan in Mandarin is a subprovincial city and capital of Shandong province in northeast China. The brand Changzheng 长征 is the name of the "Communist Long March".
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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