• Country
• People's Republic of China

• Manufacturer / Brand
• Shanghai 上海长空无线电厂 Shanghai Changkong Radio Factory; Shanghai

• Year
• 1966 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 176034

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

• Number of Transistors
• 6

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Changkong 长空 66-9A - Shanghai 上海长空无线电厂

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes
• The model Changkong 长空 66-9A has broadcast only.

• Literature/Schematics (1)
• 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 232.)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 7 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Shanghai 上海长空无线电厂 Shanghai Changkong Radio Factory; Shanghai