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DL20 (A)

DL20 ; Tefag; Telephon (ID = 378287) Speaker-P
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DL20 ; Tefag; Telephon (ID = 378287) Speaker-P
Tefag; Telephon: DL20 [Speaker-P] ID = 378287 293x281
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For model DL20 (A), Tefag; Telephon Aktiengesellschaft vorm. J. Berliner:
Katalog der Radio Zentrale Alex.V.Prohaska GmbH Berlin 1930/31
 
Country:  Germany
Manufacturer / Brand:  Tefag; Telephon Aktiengesellschaft vorm. J. Berliner
alternative name
 
Telephon-Fabrik, AG vorm. J. Berliner
Year: 1929–1931 Category: Loudspeaker, headphone or earphone
Details
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: DL20 - Tefag; Telephon
Material Metal case
Notes Edyn-LS, offen, bis 4 Watt
Price in first year of sale 74.00 RM
Source of data Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb
Mentioned in Katalog Radio-Zentrale Prohaska 1930/31 (dick)


All listed radios etc. from Tefag; Telephon Aktiengesellschaft vorm. J. Berliner
Here you find 255 models, 172 with images and 107 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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