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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

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.5 Ampere / Direct / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   Bulletin CHCR no.26, April 2000, p.17
 
f10radiofotosgrammontph3s.jpg
F10: Patrice ZEISSLOFF
Patrice Zeissloff

 
f10_so.png
F10: rtt
Michael Schlör

 
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


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