Haiyan 海燕 B331

Shanghai 101 上海一O一厂 Shanghai 101 Factory; Shanghai

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  • Year
  • 1972 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 181512

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • 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: Haiyan 海燕 B331 - Shanghai 101 上海一O一厂
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • The radio model Haiyan 海燕 B331 (Ocean Swallow) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc and SW 4 - 8.5 mc plus 8.5 - 18 mc. Sensitivity 灵敏度: < 1.5 mV/m. Selectivity 选择性: 20 dB (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. it is 60 mA. Loudspeaker is probably 8 ohm. 3 diodes.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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