• Year
  • 1972 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 182286

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

 Technical Specifications

  • Number of Transistors
  • 9
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Line / Batteries (any type) / AC 220 / Battery 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Chunlei 春雷 3P7 [3DG6B ] - Shanghai No.3 上海无线电三厂
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 270 x 210 x 80 mm / 10.6 x 8.3 x 3.1 inch
  • Notes
  • The radio model Chunlei 春雷 3P7 (Spring Thunder) offers the following key features 主要性能: Frequency range 频率范围: broadcast 535 - 1605 kc and SW 3.9 - 9 mc plus 9 - 18 mc. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: not given. Set audio output 额定功率: not clear. Electric power consumption 电源消耗 at zero signal 零信号: 25 mA, at max. it is 250 mA. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 16 ohm.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum