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Conus 1257

Conus 1257; Tefag; Telephon (ID = 1511363) Speaker-P Conus 1257; Tefag; Telephon (ID = 75772) Speaker-P
Conus 1257; Tefag; Telephon (ID = 109219) Speaker-P Conus 1257; Tefag; Telephon (ID = 548609) Speaker-P
Conus 1257; Tefag; Telephon (ID = 548610) Speaker-P Conus 1257; Tefag; Telephon (ID = 548611) Speaker-P
Conus 1257; Tefag; Telephon (ID = 548612) Speaker-P Conus 1257; Tefag; Telephon (ID = 548613) Speaker-P
Conus 1257; Tefag; Telephon (ID = 548614) Speaker-P Conus 1257; Tefag; Telephon (ID = 987426) Speaker-P
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Conus 1257; Tefag; Telephon (ID = 1511363) Speaker-P
Tefag; Telephon: Conus 1257 [Speaker-P] ID = 1511363 800x1157
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For model Conus 1257, Tefag; Telephon Aktiengesellschaft vorm. J. Berliner:
tefag
 
Country:  Germany
Manufacturer / Brand:  Tefag; Telephon Aktiengesellschaft vorm. J. Berliner
alternative name
 
Telephon-Fabrik, AG vorm. J. Berliner
Year: 1926–1929 Category: Loudspeaker, headphone or earphone
Details
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Radiomuseum.org Model: Conus 1257 - Tefag; Telephon
Material Metal case
Dimensions (WHD) 350 x 440 x 160 mm / 13.8 x 17.3 x 6.3 inch
Notes

Lautsprecher mit rundl. Form

2000 Ohm

Siehe auch Tefag Modell Conus-Lautsprecher (Type unbekannt) mit rundlicher Form aus drei Teilen.

Net weight (2.2 lb = 1 kg) 2.9 kg / 6 lb 6.2 oz (6.388 lb)
Price in first year of sale 58.00 RM
Collectors' prices  
Source of data Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 1, Ernst Erb
Mentioned in Elektrotechnische Zeitschrift (ETZ) (1926, Heft 39, S.1126)


All listed radios etc. from Tefag; Telephon Aktiengesellschaft vorm. J. Berliner
Here you find 254 models, 168 with images and 107 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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