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S435

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ID = 58643
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Screen-grid Tetrode   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to S435

Base SPECIAL TUBEBASE in general Base on each end.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.35 Ampere / Direct / Battery =
Description No printed data available on this tube. 
Dimensions (WHD)
incl. pins / tip
x 127 x 35 mm / x 5.00 x 1.38 inch

s625~~3.png S435: P.den Boer
Wolfgang Holtmann

Collection of

 
osram_s435.jpg

 

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