Qingsong 青松 7105-3
Tonghua 通化市无线电厂 Tonghuashi Radio Factory; Tonghua (Jilin, NE)
- Country
- People's Republic of China
- Manufacturer / Brand
- Tonghua 通化市无线电厂 Tonghuashi Radio Factory; Tonghua (Jilin, NE)
- Year
- 1972 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 181454
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
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Qingsong 青松 7105-3 - Tonghua 通化市无线电厂
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 365 x 185 x 125 mm / 14.4 x 7.3 x 4.9 inch
- Notes
- The radio model Qingsong 青松 7105-3 (Pine) receives broadcast 535 - 1605 kc. Sensitivity 灵敏度: 1 mV/m. Selectivity 选择性: not given. Set audio output 额定功率: 150 mW (400 mW). The IF frequency is most probably 465 kc. Loudspeaker 8 ohm. 2 diodes.
- Literature/Schematics (1)
- 03-Transistor Radio Circuit Manual 1981 August (1 of 5) (page 267.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 5 models, 4 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tonghua 通化市无线电厂 Tonghuashi Radio Factory; Tonghua (Jilin, NE)