Gongnongbing 工农兵 2P6
Tianjin 天津渤海无线电厂 Tianjin Bohai Radio Factory; Tianjin (N)
- Country
- People's Republic of China
- Manufacturer / Brand
- Tianjin 天津渤海无线电厂 Tianjin Bohai Radio Factory; Tianjin (N)
- Year
- 1966 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 174390
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 4
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s); Reflex
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast plus 2 Short Wave bands.
- Power type and voltage
- Dry Batteries / 4 x 1.5 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Gongnongbing 工农兵 2P6 - Tianjin 天津渤海无线电厂
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 215 x 127 x 50 mm / 8.5 x 5 x 2 inch
- Notes
- The brand Gongnongbing, 工农兵, in Mandarin gōngnóngbīng (trad. Chinese 工農兵) was also used by Shanghai 2nd Wireless Factory. It means "workers, peasants, and soldiers". This is an interesting reflex circuit (BG3), having 6 tuned circuits, 2 AF stages plus automatic gain control (AGC) with 4 transistors! Temperature control with diode D3.
- Literature/Schematics (1)
- 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 49.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 25 models, 16 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tianjin 天津渤海无线电厂 Tianjin Bohai Radio Factory; Tianjin (N)