Regenerative TRF 3-Tube case a
Tianjin 天津市野玫瑰电机厂 Tianjin City Wild Rose Motor Factory; Tianjin (ex Tientsin)
- Country
- People's Republic of China
- Manufacturer / Brand
- Tianjin 天津市野玫瑰电机厂 Tianjin City Wild Rose Motor Factory; Tianjin (ex Tientsin)
- Year
- 1954 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 177573
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Main principle
- TRF with regeneration; 1 AF stage(s)
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 110; 220 Volt
- Loudspeaker
- Magnetic loudspeaker (reed) generic.
- Material
- Wooden case
- from Radiomuseum.org
- Model: Regenerative TRF 3-Tube [case a] - Tianjin 天津市野玫瑰电机厂 Tianjin City
- Shape
- Tablemodel, low profile (big size).
- Notes
- This regenerative type TRF receives braodcast band only, 550 - 1600 kHz. This 3-tube regenerative type TRF was made also with the same cabinet as the 2-tube (we call it variant b), but mainly it has a bigger cabinet (we call it variant a)
- Literature/Schematics (1)
- 10-Broadcast Radio Manual, July 1959 (1958/59) (page 256.)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tianjin 天津市野玫瑰电机厂 Tianjin City Wild Rose Motor Factory; Tianjin (ex Tientsin)