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218HP

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ID = 9671
       
Country:
Great Britain (UK)
Brand: Six Sixty (valves), The Electron Company Ltd.; London
Tube type:  Vacuum Pentode   Controlling (mu) 
Identical to 218HP

Base British-7-Pin, old (M7A) (Codex=Nr)
Filament Vf 2 Volts / If 0.1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   


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