• Year
  • 1966 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 174485

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

 Technical Specifications

  • Number of Transistors
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s); Reflex
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Dry Batteries / 4.5 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Chunlei 春雷 502 - Shanghai No.3 上海无线电三厂
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 235 x 130 x 55 mm / 9.3 x 5.1 x 2.2 inch
  • Notes
  • The models 502 and 503 share the same documentation with the same schematic. Who can tell the difference? Brand Chunlei 春雷 means "Spring Thunder".
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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