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CAT3

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ID = 71899
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Transmitter Triode, liquid-cooling   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to CAT3
Similar Tubes
Other shape (e.g. bulb type):
  CAT2

Base No base
Was used by Transmittertube (Radio)
Filament Vf 20 Volts / If 50 Ampere / Direct / Specified voltage AC/DC
Description

Water cooled short wave transmitting tube first made early 1926

Pa <5kW Va <10kV

 
Dimensions (WHD)
incl. pins / tip
230 x 630 x 120 mm / 9.06 x 24.80 x 4.72 inch
Weight 1814 g / 63.99 oz
Information source The Saga of Marconi Osram Valve   Page 183

 

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