- Country
- Germany
- Manufacturer / Brand
- Radio Union RFW, Gemeinschaftserzeugnis; Hamburg Altona
- Year
- 1936/1937
- Category
- Radio module post 1925 (not a part, not a key)
- Radiomuseum.org ID
- 278486
- Main principle
- RF-Circuit or wave trap (separate, can also be an antenna with amp.)
- Tuned circuits
- 1 AM circuit(s)
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Special material, described in the notes.
- from Radiomuseum.org
- Model: Sperrkreis - Radio Union RFW,
- Shape
- Miscellaneous shapes - described under notes.
- Dimensions (WHD)
- 40 x 70 x 104 mm / 1.6 x 2.8 x 4.1 inch
- Notes
-
Zusatz zum Gerät RU 1 W der Radio-Union. Wurde in zwei vorbereitete Buchsen des Chassis gesteckt. Bedienung über Aussparung in der Rückwand mit großem gezahnten Rad.
Material: Hartpapier
Höhenmaß ohne Steckkontakte gemessen.
- Price in first year of sale
- 7.00 RM
- Author
- Model page created by Hans-Werner Ellerbrock. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Radio Union RFW, Gemeinschaftserzeugnis; Hamburg Altona
Collections
The model Sperrkreis is part of the collections of the following members.