• Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 178707

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 / 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Shanying 山鹰 743 - Nantong 南通无线电厂 Nantong
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 140 x 80 x 40 mm / 5.5 x 3.1 x 1.6 inch
  • Notes
  • The model Shanying 山鹰 743 (Mauntain Eagle) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc. Sensitivity 灵敏度: < 2 mV/m. Selectivity 选择性: 12 dB N/S. Set audio output 额定功率: 50 mW. Electric power consumption 电源消耗 at zero signal 零信号: 15 mA, with signal max. 100 mA. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 16 ohm. 2 diodes.

    The model Shanying 山鹰 743 has been manufactured (manual 02, page 242) by 南通无线电厂 Nantong Radio Factory and later (manual 03, page 219) by 南通无线电四厂 Nantong No.4 Radio Factory. Manual 03 lists the transistors as 3 x 3AG1, 2 x 3AX31 and 2 x AX51A, manual 02 lists 3AG1C, 2 x 3AG1B and 4 x 3AX31A.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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