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C_Fotos

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ID = 20671
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Triode, vacuum   Audio Frequency 
Identical to C_Fotos
Similar Tubes
Normally replaceable-slightly different:
  A409 ; RE074

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 96, p. 131
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

cfotos_so.png C_Fotos: rtt
Anonymous 10 Collector


Just Qvigstad
 

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