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ID = 12435
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitting Tetrode, air cooled 
Identical to 254A
Similar Tubes
Different maximum ratings:
Successor Tubes 268A  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Br) Top contact with a cap
Filament Vf 5 Volts / If 3.2 Ampere / Direct
Description 20W anode dissipation, 10MHz operating frequency, gain 80. Thoriated tungsten filament. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore   
254A: R.O.
Rudolf Osterkamp

254A: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

254A: KoBi
Konrad Birkner † 12.08.2014

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