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Protos Rfl4

Protos Rfl4; Siemens; D S.& (ID = 56816) Speaker-P
Protos Rfl4; Siemens; D S.& (ID = 264467) Speaker-P Protos Rfl4; Siemens; D S.& (ID = 264468) Speaker-P
Protos Rfl4; Siemens; D S.& (ID = 145889) Speaker-P Protos Rfl4; Siemens; D S.& (ID = 264469) Speaker-P
Protos Rfl4; Siemens; D S.& (ID = 264470) Speaker-P Protos Rfl4; Siemens; D S.& (ID = 613812) Speaker-P
Protos Rfl4; Siemens; D S.& (ID = 618903) Speaker-P Protos Rfl4; Siemens; D S.& (ID = 618904) Speaker-P
Protos Rfl4; Siemens; D S.& (ID = 618905) Speaker-P Protos Rfl4; Siemens; D S.& (ID = 618906) Speaker-P
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Protos Rfl4; Siemens; D S.& (ID = 264467) Speaker-P
Siemens; D S.&: Protos Rfl4 [Speaker-P] ID = 264467 796x700
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For model Protos Rfl4, Siemens; D (S.& Halske / S. Electrogeräte)
 
Country:  Germany
Manufacturer / Brand:  Siemens; D (S.& Halske / S. Electrogeräte)
Year: 1928–1930 Category: Loudspeaker, headphone or earphone
Details
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Radiomuseum.org Model: Protos Rfl4 - Siemens; D S.& Halske / S.
Material Wooden case
Dimensions (WHD) 500 x 350 x 200 mm / 19.7 x 13.8 x 7.9 inch
Notes Baugleich mit Arcophon 3 und Telefunken Sihaphon (siehe dort).
Net weight (2.2 lb = 1 kg) 4 kg / 8 lb 13 oz (8.811 lb)
Price in first year of sale 75.00 RM
Collectors' prices  
Source of data Vox-Haus, Katalog 1926/1927 / Radiokatalog Band 1, Ernst Erb
Mentioned in Katalog Radio-Zentrale Prohaska 1928
Picture reference Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.


All listed radios etc. from Siemens; D (S.& Halske / S. Electrogeräte)
Here you find 2382 models, 1953 with images and 1243 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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