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F10

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ID = 15840
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to F10
Similar Tubes
Normally replaceable-slightly different:
  D410_Philips ; DW802 ; MO6 ; P455 ; R80 ; RO4410
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 35

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.5 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   Bulletin CHCR no.26, April 2000, p.17
Röhren-Vademecum; P.H. Brans; Antwerpen   p. 34
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

f10_so.png F10: rtt
Anonymous 10 Collector


Just Qvigstad
lfsmall_5.png
F10: own collection
Peter den Boer

Usage in Models 1= 1930?? ; 1= 1930? ; 1= 1931?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

 
f10radiofotosgrammontph3s.jpg

F10
 

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