Haiou 海鸥 703

Heilongjiang No.1 黑龙江无线电一厂 Heilongjiang No.1 Radio Factory; Harbin (Heilongjiang, NE)

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  • Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 180835

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 plus 2 Short Wave bands.
  • Power type and voltage
  • Dry Batteries / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • from Radiomuseum.org
  • Model: Haiou 海鸥 703 - Heilongjiang No.1 黑龙江无线电...
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  • The radio model Haiou 海鸥 trad. 海鷗 703 (Seagull) has the following key features 主要性能: Frequency range 频率范围: broadcast band 535 - 1605 kc and SW 2.2 - 6 mc plus 6 - 12 mc. Sensitivity 灵敏度: < 1.5 mV/m (1 mV/m). Selectivity 选择性: 20 dB N/S. Set audio output 额定功率: 300 mW. Electric power consumption 电源消耗 at zero signal 零信号: is 12 mA (max. 150 mA). The IF 中频频率 is 465 kc. Loudspeaker impedance is 8 ohm.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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