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RS4_Telefunken

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ID = 19059
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transmitting Triode, air cooled 
Identical to RS4_Telefunken
First year 1920 Saga of the Vacuumtube, Tyne Page 255-257, 440, 441
First Source (s)
1918 : Saga of the Vacuumtube, Tyne p.257
Successor Tubes 1918   RS5   RS17  

Base Telefunken 3 Sockets (Codex=Telefunken 3 Buchsen) Top contact with a cap
Filament Vf 9 Volts / If 3 Ampere / Direct
Description Telefunken Senderöhre RS4 (RS 4).
Der Sockel hat einen Durchmesser von 60 mm und der Kolben von 55 mm.
Schöne Glasarbeit. Mitte 1918 wurden täglich 5 Stück hergestellt. 
Dimensions (WHD)
incl. pins / tip
60 x 233 x 60 mm / 2.36 x 9.17 x 2.36 inch
Weight 250 g / 8.82 oz
Literature -- Collector info (Sammler)   
 
rs4.jpg
RS4_Telefunken: EE
Ernst Erb

 


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