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ID = 16997
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Bell Labs; Murray Hill, NJ. 
Tube type:  Transmitter Triode, liquid-cooling 
Identical to 342A
Similar Tubes
Normally replaceable-slightly different:
  232B ; 232C

Filament Vf 20 Volts / If 67 Ampere / Direct
Description External anode, water cooled transmitting triode, capable of 25KW anode dissipation. Pure tungsten cathode. Derived from 232, this tube offers improved performances: as RF amplifier or oscillator it can operate up to 4MHz, full ratings, and up to 16MHz with reduced anode voltage.
Federal, Machlett and WE known manufacturers. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   
- - Manufacturers Literature

342a.png 342A: Western electric electron tubes
Miguel Angel Trujillo-Rodriguez



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