- Country
- People's Republic of China
- Manufacturer / Brand
- Tianjin 天津渤海无线电厂 Tianjin Bohai Radio Factory; Tianjin (N)
- Year
- 1962/1963
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 179754
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 1 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 220 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: 621 - Tianjin 天津渤海无线电厂
- Shape
- Tablemodel, with any shape - general.
- Notes
- The model 621 receives the broadcast band 535 - 1605 kc. The double triode tube 6N1 is a power rectifier and end triode. It is very similar to model 93-A1. The manual (11) shows no picture for this radio (page 213).
- Literature/Schematics (1)
- 11-Radio manual (green 2) 1965, with 220 pages. (page 213 (no picture).)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 25 models, 16 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tianjin 天津渤海无线电厂 Tianjin Bohai Radio Factory; Tianjin (N)