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J300

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ID = 12763
       
Country:
France
Brand: Elecson; Paris, Puteaux
Tube type:  Screen-grid Tetrode 
Identical to J300

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

b5_9_10~~17.png J300: Fin Stewart
Fin Stewart


Just Qvigstad
 

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