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220Pen

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ID = 10791
       
Country:
Great Britain (UK)
Brand: Six Sixty (valves), The Electron Company Ltd.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to 220Pen = PM22A = Pen220
Similar Tubes
Other base:
  220Pen_5pin ; PM22A_4-pin

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eoo) Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   


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