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RS55I

Information - Help 
ID = 28764
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transmitting Triode, air cooled 
  Ca. 1925 up to 1945 rare.
Identical to RS55I

Base Telefunken 3-Pins Top contact screw type
Filament Vf 9.5 Volts / Direct / Parallel, (AC/DC)
Description The designation is RS 55 I and not RS 551. This is a modufication of the RS 55. 
Dimensions (WHD)
incl. pins / tip
51 x 213 x 46 mm / 2.01 x 8.39 x 1.81 inch
Weight 147 g / 5.19 oz
Information source Saga of the Vacuum Tube, Tyne   page 441
 
rs55i.jpg
RS55I
Peter den Boer

 
base.png
RS55I
Peter den Boer

 


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