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331A

Information - Help 
ID = 34931
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitting Triode, air cooled 
Identical to 331A = 805

Filament Vf 10 Volts / If 3.2 Ampere
Description High-mu transmitting triode, graphite anode. 125W, 30MHz, typical mu=40; also used as class B modulator. 4-pin jumbo base. 
Literature Tube Lore   
 
331a_so.png
331A: ARRL Handbook 1972
Michael Schlör

 

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