Hai He 海河 BS-501 TTD
Tianjin 天津塘沽东方红无线电厂 Tianjin Tanggu Dongfanghong Radio Factory; where?
- Country
- People's Republic of China
- Manufacturer / Brand
- Tianjin 天津塘沽东方红无线电厂 Tianjin Tanggu Dongfanghong Radio Factory; where?
- Year
- 1966 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 175673
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 5
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
- Tuned circuits
- 4 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Dry Batteries / 4 x 1.5 Volt
- Loudspeaker
- Permanent or electro-dynamic (moving coil), system not known yet.
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Hai He 海河 BS-501 [TTD] - Tianjin 天津塘沽东方红无线电厂
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 240 x 150 x 65 mm / 9.4 x 5.9 x 2.6 inch
- Notes
- The model BS-501 was made for the brand Hongbo 红波 and Hai He 海河. BS-501 was made by 3 different manufacturers - with the same model number BS-501 and the same schematic / case.
- Literature/Schematics (1)
- 01-Transistor Radio Manual 1972, 2nd Ed. 2nd Print 1983 (page 118.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 2 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tianjin 天津塘沽东方红无线电厂 Tianjin Tanggu Dongfanghong Radio Factory; where?