Sperrkreis / Wellentrenner 1291 mahagonifarben
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ROKA, Robert Karst;: Sperrkreis / Wellentrenner 1291 [Misc] ID = 1387490 880x847
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| Year: 1930 ?? | Category: Miscellaneous (Other, Various) - see notes |
| Main principle | RF-Circuit or wave trap (separate, can also be an antenna with amp.) |
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| Wave bands | Broadcast (MW) and Long Wave. |
| Details | |
| Power type and voltage | No Power needed |
| Loudspeaker | - - No sound reproduction output. |
| Power out | |
| from Radiomuseum.org | Model: Sperrkreis / Wellentrenner 1291 [mahagonifarben] - ROKA, Robert Karst; Berlin |
| Material | Bakelite case |
| 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 |
Model page created by a member from A. See "Data change" for further contributors.
All listed radios etc. from ROKA, Robert Karst; Berlin
Here you find 24 models, 23 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
