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Ultra-Konus (Ultra-Conus) 1254

Ultra-Konus 1254; Tefag; Telephon (ID = 1076526) Speaker-P Ultra-Konus 1254; Tefag; Telephon (ID = 75774) Speaker-P
Ultra-Konus 1254; Tefag; Telephon (ID = 727141) Speaker-P Ultra-Konus 1254; Tefag; Telephon (ID = 1076527) Speaker-P
Ultra-Konus 1254; Tefag; Telephon (ID = 1076528) Speaker-P Ultra-Konus 1254; Tefag; Telephon (ID = 1076529) Speaker-P
Ultra-Konus 1254; Tefag; Telephon (ID = 1907398) Speaker-P Ultra-Konus 1254; Tefag; Telephon (ID = 2351598) Speaker-P
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Ultra-Konus 1254; Tefag; Telephon (ID = 1076526) Speaker-P
Tefag; Telephon: Ultra-Konus 1254 [Speaker-P] ID = 1076526 933x888
Select picture or schematic to display from thumbnails on the right and click for download.
For model Ultra-Konus (Ultra-Conus) 1254, Tefag; Telephon Aktiengesellschaft vorm. J. Berliner
 
Country:  Germany
Manufacturer / Brand:  Tefag; Telephon Aktiengesellschaft vorm. J. Berliner
alternative name
 
Telephon-Fabrik, AG vorm. J. Berliner
Year: 1928–1931 Category: Loudspeaker, headphone or earphone
Details
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Radiomuseum.org Model: Ultra-Konus 1254 - Tefag; Telephon
Material Bakelite case
Notes

LS mit Differenzialsystem.
Originalwerbung: "Der klangschöne Lautsprecher im Luxusgehäuse"

2000 Ohm

Net weight (2.2 lb = 1 kg) 3.740 kg / 8 lb 3.8 oz (8.238 lb)
Price in first year of sale 70.00 RM
Source of data Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 1, Ernst Erb
Mentioned in Katalog Radio-Zentrale Prohaska 1930/31 (dick) (Rundfunkjahrbuch 1929)


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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