• Year
  • 1972 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 181018

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 6 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Quan Cheng 泉城 JP-7107 - Jinan No.3 济南无线电三厂
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • The radio model Quan Cheng 泉城 JP-7107 (water spring) has the following key features 主要性能: Frequency range 频率范围: broadcast band 525 - 1605 kc. Sensitivity 灵敏度: < 1.5 mV/m (1 mV/m). Selectivity 选择性: not given. Electric power consumption 电源消耗 at zero signal 零信号: 20 mA, at max. it is 100 mA. The IF is most probably 465 kc. Set audio output 额定功率 : 150 mW. Loudspeaker 8 ohm. 2 diodes.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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