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F5

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ID = 15838
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Triode, vacuum   Power/Output 
Identical to F5 = E406
Similar Tubes
Normally replaceable-slightly different:
  PX4 ; S30C
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79) p. 138 & 195

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Description

Tungsram and Fotos are known manufacturers.

 
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 56 & 173
Babani, International Radio Tube Encyclopaedia   p. 106 & 107
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

f5_so.png F5: rtt
Anonymous 10 Collector


Just Qvigstad
lfsmall_9.png
F5: own collection
Peter den Boer

Usage in Models 1= 1933? ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
f5totale.jpg

F5
 

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