• Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 178298

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

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 3 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Huangshan 黄山 403 - Hefei 合肥无线电厂 Hefei Radio
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • The radio model Huangshan 黄山 403 (Huang Mountain in Anhui Province) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. The IF 中频频率 is most probably 465 kc. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 20 dB. Set audio output 额定功率: 100 mW. Electric power consumption 电源消耗 at zero signal 零信号: 12 mA, at mac. output 85 mA. Loudspeaker impedance is not mentioned. 4 diodes.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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