• Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 179153

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

 Technical Specifications

  • Number of Transistors
  • 12
  • 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.
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • from Radiomuseum.org
  • Model: Zhujiang 珠江 SB12-1 - Guangzhou 广州曙光无线电厂
  • Notes
  • The model Zhujiang 珠江 SB12-1 (Pearl River) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc and SW 4 - 9 mc plus 9 - 18 mc. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 20 dB S/N. Set audio output 额定功率: 3 watt. The IF 中频频率 is most probably 465 kc. Loudspeaker external 4 or 8 ohm. 2 diodes, 1 zener diode and 4 diodes for rectifier.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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