- Country
- Germany
- Manufacturer / Brand
- Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
- Year
- 1928–1932
- Category
- Radio module post 1925 (not a part, not a key)
- Radiomuseum.org ID
- 4526
- Main principle
- RF-Circuit or wave trap (separate, can also be an antenna with amp.)
- Tuned circuits
- 1 AM circuit(s)
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Bakelite case
- from Radiomuseum.org
- Model: Sperrkreis - Telefunken Deutschland TFK,
- Notes
- Sperrkreis, stehender Topf, oben Knopf für Drehko [514,560,569]
- Price in first year of sale
- 16.00 RM
- Source of data
- Katalog Radio-Zentrale Prohaska 1930/31 (dick) / Radiokatalog Band 1, Ernst Erb
- Mentioned in
- Katalog Radio-Zentrale Prohaska 1931/32
- Other Models
-
Here you find 3537 models, 3120 with images and 2086 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Collections
The model Sperrkreis is part of the collections of the following members.