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ID = 27754
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitting Triode, air cooled   VHF 
Identical to 357A = CV27 = 110E/116
Similar Tubes
Normally replaceable-slightly different:
  4357A ; CV691 ; ES357
Successor Tubes 357B  

Base TRANSMITTER-Base in gneral
Filament Vf 10 Volts / If 10.1 Ampere / Direct / Parallel, (AC/DC)
Description VHF all-glass transmitting triode; Mu 30, Pa 350W, 100MHz. Required forced air cooling over 40MHz.
Western Electric and Machlett known manufacturers. 
Tube prices 2 Tube prices (visible for members only)
Information source - - Data from my own collection   
Tube Lore (I)   
357A: RFJ
Roy Johnson

Emilio Ciardiello


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