• Country
• People's Republic of China

• Manufacturer / Brand
• Chongqing 重庆无线电厂 Chongqing Radio Factory; Chongqing

• Year
• 1957 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 176193

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

• Number of Tubes
• 5

• Valves / Tubes
• 1А2П 1К2П 1К2П 1Б2П 2П2П

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

• Power type and voltage
• Dry Batteries / 1.5 & 90 Volt

• Loudspeaker
• -Loudspeaker incorporated, but system not known.

• Material
• Various materials

• from Radiomuseum.org
• Model: Changjiang 长江 5 tube DC radio - Chongqing 重庆无线电厂

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• The model is in BRM manual (09) from 1958 still in trad. Chinese as brand 長江 Changjiang (Yangtze river) which is 长江 in simplified Chinese. The full text for the model designation is 長江牌五管直流收音機 - simplified = 长江牌五管直流收音机 = YangZi river (brand) five (tube) DC radio. We use here simplified Chinese which was introduced in 1959 for mainland PRC only.

• Literature/Schematics (1)
• 09-Broadcast Radio Manual, July 1958-1-1 STPH (page 88.)

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

• Other Models

• Here you find 5 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Chongqing 重庆无线电厂 Chongqing Radio Factory; Chongqing