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220A

Information - Help 
ID = 35209
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitter Triode, liquid-cooling 
Identical to 220A
Successor Tubes 220B_XMIT  

Filament Vf 21.5 Volts / If 41 Ampere / Direct
Description Pure tungsten filament; water cooled via external jacket. Hard glass, short-pin filament connectors, grid side lead. 10KV, 3MHz full ratings, Mu 40, 10KW.
WE only known manufacturer. 
Information source Tube Lore (I)   

 

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