- Country
- Germany
- Manufacturer / Brand
- Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
- Year
- 1927–1932
- Category
- Radio module post 1925 (not a part, not a key)
- Radiomuseum.org ID
- 30337
- 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 Rfz12 - Telefunken Deutschland TFK,
- Dimensions (WHD)
- 97 x 120 x 97 mm / 3.8 x 4.7 x 3.8 inch
- Notes
- Bakelit-Topf mit Drehko oben; Ausführung LW und MW [514,560,569]. Siehe auch bei Rfz12 von Siemens den Textbeitrag.
- Net weight (2.2 lb = 1 kg)
- 0.4 kg / 0 lb 14.1 oz (0.881 lb)
- Price in first year of sale
- 18.00
- Source of data
- -- Collector info (Sammler)
- Other Models
-
Here you find 3564 models, 3149 with images and 2114 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.