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415PP_4pin

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ID = 21264
       
Country:
Great Britain (UK)
Brand: Six Sixty (valves), The Electron Company Ltd.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to 415PP_4pin = B443_4pin
Similar Tubes
Other base:
  B443

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 4 Volts / If 0.15 Ampere / Direct /
Literature Taschenbuch zum Röhren-Codex 1948/49   
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415pp4pin_so.png
415PP_4pin: rtt
Michael Schlör

 

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