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alternative name
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Unknown, Custom Built | ||||
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Year: 1931 | Category: Microphone or Pick-up element |
Wave bands | - without |
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Details | |
Power type and voltage | No Power needed |
Loudspeaker | - For headphones or amp. |
Power out | |
from Radiomuseum.org | Model: Elektro-Schalldose Transphonia - UNBEKANNTE FIRMA D / A / CH - |
Shape | Chassis only or for «building in» |
Notes | Universalschalldose, auf jeden Sprechapparat zu montieren. |
Price in first year of sale | 27.00 RM |
Mentioned in | Kahle & Cless, Leipzig, Katalog 1931 |
Model page created by a member from D. See "Data change" for further contributors.
All listed radios etc. from UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»
Here you find 427 models, 363 with images and 34 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.