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Year: 1926 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
Valves / Tubes | 5: UX201A UX201A UX201A UX201A UX201A |
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Main principle | TRF without regeneration; Neutrodyne |
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Tuned circuits | 3 AM circuit(s) |
Wave bands | Broadcast only (MW). |
Details | |
Power type and voltage | Storage and/or dry batteries / 5 & 45 & 90 & 9 Volt |
Loudspeaker | Horn |
Power out | |
from Radiomuseum.org | Model: Monodic Ch= S50 [5 tube table version] - Electrical Research |
Material | Wooden case |
Shape | Tablemodel, Box - most often with Lid (NOT slant panel). |
Notes | 3 RF stages. 2 dial - 3 tuning capacitors. The right hand dial drives 2 tuning capacitors. Grid-leak detector. There is also a version with 6 tubes. The exact difference is not known although it might be the number of AF stages. There is also a console version with built-in horn-loaded speaker. |
Collectors' prices |
Model page created by Dirk Bladt. See "Data change" for further contributors.
All listed radios etc. from Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Here you find 131 models, 45 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.