- Country
- Germany
- Manufacturer / Brand
- Kätsch GmbH, Paul (Logo PK); Sömmerda bei Erfurt
- Year
- 1931 ??
- Category
- Radio module post 1925 (not a part, not a key)
- Radiomuseum.org ID
- 342222
- 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 - Kätsch GmbH, Paul Logo PK;
- Dimensions (WHD)
- 130 x 130 x 80 mm / 5.1 x 5.1 x 3.1 inch
- Net weight (2.2 lb = 1 kg)
- 0.4 kg / 0 lb 14.1 oz (0.881 lb)
- Author
- Model page created by Alfons Lammers. See "Data change" for further contributors.
- Other Models
-
Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Kätsch GmbH, Paul (Logo PK); Sömmerda bei Erfurt
Collections
The model Sperrkreis is part of the collections of the following members.