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S210_Fotos-Grammont

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ID = 87851
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Triode, vacuum   Audio Frequency 
Identical to S210_Fotos-Grammont
Similar Tubes
Normally replaceable-slightly different:
  F209
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 35

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect


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