• Year
  • 1972 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 180971

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 / 6 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • from Radiomuseum.org
  • Model: Hongdeng 红灯 QD-602 - Qingdao No.2 青岛无线电二厂
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • The radio model Hongdeng 红灯 QD-602 (Red Light) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 0.5 mV/m. Selectivity 选择性: 20 sB (S/N). The IF is most probably 465 kc. Set audio output 额定功率 : 100 mW (250 mW). Electric power consumption 电源消耗 at zero signal 零信号: 15 mA, at max. output 70 mA. 2 diodes.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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