Huangshan 黄山 4J62

Hefei No.4 合肥无线电四厂 Hefei No.4 Radio Factory; Hefei

Data
Forum
Pictures
Collections

  • Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 178297

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
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Huangshan 黄山 4J62 - Hefei No.4 合肥无线电四厂
  • Notes
  • The radio model Huangshan 黄山 4J62 (Huang Mountain in Anhui Province) has the following key features 主要性能: Frequency range 频率范围: broadcast 535 - 1605 kc and SW 4 - 12 mc. The IF 中频频率 is 465 kc. Sensitivity 灵敏度: < 1 mV/m and 1.5 mV/m. Selectivity 选择性: > 26 dB. Set audio output 额定功率: 100 mW (200 mW). Electric power consumption 电源消耗 at zero signal 零信号: 10 mA, at max. it is 50 mA. Loudspeaker impedance is 8 ohm. 2 diodes. Some names of the AF transistors are not quite sure.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum