Zhonghua 中华 701

Zhongguo 中国唱片厂 Zhongguo Gramophone Record Factory; Shanghai (E)

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  • Year
  • 1972 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 182319

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

 Technical Specifications

  • Number of Transistors
  • 10
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Zhonghua 中华 701 - Zhongguo 中国唱片厂 Zhongguo
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • The radio model Zhonghua 中华 701 (English = China, but manual 03 shows no brand - it is only a guess here) offers the following key features 主要性能: Frequency range 频率范围: broadcast 535 - 1605 kc and SW 4 - 8.5 mc and 8.5 - 18 mc. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 20 dB S/N. Set audio output 额定功率: 500 mW (1500 mW). The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 8 ohm. 2 diodes. Integrated record player for 33, 45 and 78 rpm. Sockets for external loudspeaker of 200, 16 and 2 x 8 ohm. Seven transistors for radio reception plus three for the motor speed control.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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