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T4000N

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ID = 9344
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Identical to T4000N

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Leo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.6 Ampere
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 82
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   
Taschenbuch zum Röhren-Codex 1948/49


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