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| Year: 1931 / 1932 | Type: Radio or Tuner | ||||
| Valves / Tubes | 4: REN904 REN904 RE134 RGN504 |
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| Principle | TRF without reaction (non reg.dir.receiver) |
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| Wave bands | n/a no information |
| Power type and voltage | Alternating Current supply (AC) |
| Loudspeaker/pwr.out | - For headphones or amp. |
| from Radiomuseum.org | Model: Elektrowatt 3137W |
| Material | Wooden case |
All listed radios etc. from Watt Elektrizitäts-AG; Dresden
Here you find 12 models, 1 with images and 1 with schematics.