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CV398

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ID = 30173
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Screen-grid Tetrode   Power/Output 
Identical to CV398 = P535/1E
Similar Tubes
Normally replaceable-slightly different:
  715B ; C1111 ; CV2655

Base SPECIAL TUBEBASE in general Top contact with a cap.
Filament Vf 26 Volts / If 2 Ampere / Half indirect / Specified voltage AC/DC
Description Pulse Modulator, jumbo-like 4-pin ceramic wafer base (B4A). 
Information source - - Manufacturers Literature   

4wg_3.png CV398
Emilio Ciardiello

cv398_1.png
CV398: Manufacturer's Literature
Emilio Ciardiello

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cv398.jpg

CV398
 

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