Sperrkreis / Wellentrenner 1291 mahagonifarben
ROKA, Robert Karst; Berlin
- Country
- Germany
- Manufacturer / Brand
- ROKA, Robert Karst; Berlin
- Year
- 1930 ??
- Category
- Miscellaneous (Other, Various) - see notes
- Radiomuseum.org ID
- 93813
Eigene Bilder Jos Lauth
EbayDE ela48 6617466355
EbayDE ela48 6617466355
EbayDE ela48 6617466355
Eigene Bilder Jos Lauth
Eigene Bilder Jos Lauth
Eigene Bilder Jos Lauth
Eigene Bilder Jos Lauth
ROKA
ROKA
ROKA-Werbung
- Main principle
- RF-Circuit or wave trap (separate, can also be an antenna with amp.)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Bakelite case
- from Radiomuseum.org
- Model: Sperrkreis / Wellentrenner 1291 [mahagonifarben] - ROKA, Robert Karst; Berlin
- Shape
- Miscellaneous shapes - described under notes.
- Notes
-
Sperrkreis und Wellentrenner mit Eisenkernspulen und Trolitul-Kondensator. 200-600 m und 800-2000 m, runde Dosenbauform.
Bakelit braun (mahagonifarben).
- Net weight (2.2 lb = 1 kg)
- 0.125 kg / 0 lb 4.4 oz (0.275 lb)
- Price in first year of sale
- 4.50 RM
- Source of data
- -- Collector info (Sammler)
- Mentioned in
- -- Original prospect or advert
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 24 models, 23 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from ROKA, Robert Karst; Berlin
Collections
The model Sperrkreis / Wellentrenner is part of the collections of the following members.