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P552/1E

Information - Help 
ID = 29056
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Transmitting Tetrode, air cooled 
Identical to P552/1E = CV427 = 5D21
Similar Tubes
Normally replaceable-slightly different:
  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

5d21_1.png P552/1E: Manufacturer's Literature
Emilio Ciardiello

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5d21_1~~1.png
P552/1E: Manufacturer's Literature
Emilio Ciardiello

More ...
 

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