- Country
- People's Republic of China
- Manufacturer / Brand
- Beijing No.1 北京市东风无线电一厂 Beijing Shi No.1 Dongfeng Radio Factory; Beijing
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 178296
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 6
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 4.5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Huanqiu 环球 612A - Beijing No.1 北京市东风无线电一厂
- Notes
- The radio model Huanqiu 环球 612A ("Worldwide") has the following key features 主要性能: Frequency range 频率范围: broadcast. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 8 ohm. 3 diodes, but the designation is not clear.
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 172.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 6 models, 3 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Beijing No.1 北京市东风无线电一厂 Beijing Shi No.1 Dongfeng Radio Factory; Beijing