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T4150

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ID = 13069
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Screen-grid Tetrode 
Identical to T4150

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Filament Vf 4 Volts / If 1 Ampere / Indirect
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   


Just Qvigstad
s440_s415_t4150data~~1.png
T4150: own collection
Peter den Boer

 

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