- Country
- People's Republic of China
- Manufacturer / Brand
- Guangzhou 广州曙光无线电仪器厂 Guangzhou Shuguang (Pearl River) Radio Apparatus Factory; Guangzhou
- Year
- 1968 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 179149
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 and Short Wave (SW).
- 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: Zhujiang 珠江 SB7-4 - Guangzhou 广州曙光无线电仪器厂 Guangzhou
- Notes
- The model Zhujiang 珠江 SB7-4 (Pearl River) has the following key features 主要性能: Frequency range 频率范围: broadcast band and SW. The IF 中频频率 is most probably 465 kc.
- Literature/Schematics (1)
- 02-Radio Manual unknown date, 380 pages (page 346a, drawing 012.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 16 models, 8 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Guangzhou 广州曙光无线电仪器厂 Guangzhou Shuguang (Pearl River) Radio Apparatus Factory; Guangzhou