Dongzhi 冬指 401
Shandong 山东潍坊无线电厂 Shandong Weifang Radio Factory; Weifang
- Country
- People's Republic of China
- Manufacturer / Brand
- Shandong 山东潍坊无线电厂 Shandong Weifang Radio Factory; Weifang
- Year
- 1966 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 174410
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
- 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: Dongzhi 冬指 401 - Shandong 山东潍坊无线电厂
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
- No schematic is given in the mentioned book. Brand Dongzhi 冬指 (Mandarin dōngzhǐ, where dōng means "sound of beating a drum" and zhǐ is for finger, indicator). 山东 = Shandong 潍坊 = Weifang 无线电厂 = Wireless factory. 山东潍坊无线电厂
- Literature/Schematics (1)
- 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 56.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Shandong 山东潍坊无线电厂 Shandong Weifang Radio Factory; Weifang