- Country
- People's Republic of China
- Manufacturer / Brand
- Hangzhou 杭州群英无线电厂 Hangzhou Qunying Radio Factory; Hangzhou
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 178792
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 7
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 3 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 3 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Xihu 西湖 7B12 - Hangzhou 杭州群英无线电厂
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
- The model Xihu 西湖 7B12 (West Lake) has the following key features 主要性能: Frequency range 频率范围: broadcast band. Sensitivity 灵敏度: < 1 mV/m. Selectivity 选择性: > 20 dB S/N (10 kc at 1000 kc). Set audio output 额定功率: 100 mW. The IF 中频频率 is most probably 465 kc. Loudspeaker impedance is 8 ohm. 5 diodes.
- Mentioned in
- 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 279.)
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 272.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 8 models, 3 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Hangzhou 杭州群英无线电厂 Hangzhou Qunying Radio Factory; Hangzhou