Kuaile 快乐 78-3

Jiangsu 江苏武进电子器材厂 Jiangsu Wujin Electronic Equipment Factory; Changzhou (Jiangsu, E)

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  • Year
  • 1972 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 182388

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
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Line / Batteries (any type) / AC 220 / Battery 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Kuaile 快乐 78-3 - Jiangsu 江苏武进电子器材厂 Jiangsu
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • The radio model Kuaile 快乐 78-3 ("happy") offers the following key features 主要性能: Frequency range 频率范围: broadcast 535 - 1605 kc and SW 3.9 - 8.5 mc and 8.5 - 28 mc. Sensitivity 灵敏度: 1.5 mV/m. Selectivity 选择性: 20 dB (S/N). The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 8 ohm. Separate loudspeaker and internal transformer for 8, 16 and 200 ohm loudspeaker. Record player for 33 and 45 RPM (not 78 as the model number suggests!). 7 transistors are for reception, 3 for the motor and two for the power supply. 2 diodes for the receiver, 1 for the motor and 2 for the power supply - plus rectifier.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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