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7D8S

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ID = 10669
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Vacuum Pentode   Power/Output 
Identical to 7D8S
Similar Tubes
Normally replaceable-slightly different:
  CV1328

Base British-7-Pin, old (M7A) (Codex=Ndo)
Filament Vf 13 Volts / If 0.65 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

arp9_2.png 7D8S: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
 

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