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Duplex 2

Country:  Germany
Manufacturer / Brand:  Aeriola Ges.m.b.H.; Berlin
Brand
 
Radio-Baby
Year: 1926/1927 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 2: DuotronD2 Duotron
Main principle TRF with regeneration; 1 Special; 2 AF stage(s)
Tuned circuits 2 AM circuit(s)
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Duplex 2 - Aeriola Ges.m.b.H.; Berlin
Material Wooden case, TUBES VISIBLE.
Notes 3fach-Spulenkoppler; 2 NF-Trafos
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Mentioned in Historische Radios Band III (21B)
Picture reference Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.


All listed radios etc. from Aeriola Ges.m.b.H.; Berlin
Here you find 31 models, 22 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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