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Secundus 1253

Secundus 1253; Tefag; Telephon (ID = 17971) Speaker-P Secundus 1253; Tefag; Telephon (ID = 133931) Speaker-P
Secundus 1253; Tefag; Telephon (ID = 133932) Speaker-P Secundus 1253; Tefag; Telephon (ID = 133934) Speaker-P
Secundus 1253; Tefag; Telephon (ID = 219915) Speaker-P Secundus 1253; Tefag; Telephon (ID = 219917) Speaker-P
Secundus 1253; Tefag; Telephon (ID = 2351599) Speaker-P
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Secundus 1253; Tefag; Telephon (ID = 17971) Speaker-P
Tefag; Telephon: Secundus 1253 [Speaker-P] ID = 17971 628x700
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For model Secundus 1253, Tefag; Telephon Aktiengesellschaft vorm. J. Berliner:
Lautsprecher mit Bakelitfront und - fuß. Metallabdeckung auf der Rückseite. Einstellbares System.
 
Country:  Germany
Manufacturer / Brand:  Tefag; Telephon Aktiengesellschaft vorm. J. Berliner
alternative name
 
Telephon-Fabrik, AG vorm. J. Berliner
Year: 1928–1930 Category: Loudspeaker, headphone or earphone
Details
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Radiomuseum.org Model: Secundus 1253 - Tefag; Telephon
Material Various materials
Dimensions (WHD) 410 x 450 x 120 mm / 16.1 x 17.7 x 4.7 inch
Notes

geschlossener Konus-Lautsprecher, mahagonifarben

2000 Ohm

Net weight (2.2 lb = 1 kg) 2.250 kg / 4 lb 15.3 oz (4.956 lb)
Price in first year of sale 39.00 RM
Source of data Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 1, Ernst Erb
Mentioned in Arlt's grosser Radiokatalog 1930


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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