• Country
• People's Republic of China

• Manufacturer / Brand
• Nanchang 南昌无线电厂 Nanchang Radio Factory; Nanchang

• Year
• 1966 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 176018

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

• Number of Transistors
• 6

• Semiconductors
• 3AG1C 3AG1B 3AX31B 3AX31B 3AX31B 3AX31B 2AP9

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 4 AF stage(s); Reflex

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• 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: Jinggangshan 井冈山 70-4 - Nanchang 南昌无线电厂 Nanchang

• Notes
• The model Jinggangshan 井冈山 70-4 has broadcast only.

• Literature/Schematics (1)
• 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 216.)

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

• Other Models

• Here you find 5 models, 3 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nanchang 南昌无线电厂 Nanchang Radio Factory; Nanchang