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441; Seibt, Dr., Georg; (ID = 6072) Radio
441; Seibt, Dr., Georg; (ID = 1194533) Radio 441; Seibt, Dr., Georg; (ID = 1194534) Radio
441; Seibt, Dr., Georg; (ID = 1194535) Radio 441; Seibt, Dr., Georg; (ID = 1385276) Radio
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441; Seibt, Dr., Georg; (ID = 1194533) Radio
Seibt, Dr., Georg;: 441 [Radio] ID = 1194533 800x600
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For model 441, Seibt, Dr., Georg; Berlin:
Dachbodenfund im Orginalzustand
Country:  Germany
Manufacturer / Brand:  Seibt, Dr., Georg; Berlin
Year: 1931/1932 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: RES094 RE034 RE034 RE134 or RES164
Main principle TRF with regeneration; 1 Special; 2 AF stage(s)
Tuned circuits 2 AM circuit(s)
Wave bands Wave Bands given in the notes.
Power type and voltage Storage and/or dry batteries / 4 & 150 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Model: 441 - Seibt, Dr., Georg; Berlin
Material Wooden case
Notes oder 1204,084 bzw. 1004,804,134
Price in first year of sale 110.00 RM +
Source of data Radio-Schnorr-Katalog Nr.53 1931/32 / Radiokatalog Band 1, Ernst Erb
Circuit diagram reference Lange + FS-Bestückungstabellen

All listed radios etc. from Seibt, Dr., Georg; Berlin
Here you find 394 models, 325 with images and 194 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.