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ID = 30379
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitting Tetrode, air cooled 
Identical to CV427 = P552/1E = 5D21
Similar Tubes
Normally replaceable-slightly different:
  4PR60B ; C1111 ; C1149 ; C1150-1 ; VX7016
Predecessor Tubes VX7016  

Base Top contact with a cap.
Filament Vf 26 Volts / If 2 Ampere / Half indirect
Dimensions (WHD)
incl. pins / tip
65 x 149 x mm / 2.56 x 5.87 x inch

tet_mod_1.png CV427: Manufacturer's Literature
Emilio Ciardiello

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CV427: Manufacturer's Literature
Emilio Ciardiello

More ...

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