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T4000

Information - Help 
ID = 8857
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  HEXODE 
Identical to T4000

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lf)
Filament Vf 4 Volts / If 1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   
 

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