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G407

Information - Help 
ID = 14231
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum 
Identical to G407 = A4
Similar Tubes
Normally replaceable-slightly different:
  C9_Fotos ; M300 ; RE074
Other base:
  G407_USA

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Description

Siehe auch mit US-Sockel.

 

g407_sock.png G407: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Just Qvigstad
g407_spec.png
G407: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

More ...
Usage in Models 2= 1930 ; 1= 1931?

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


Collection of

 
g407_a.jpg

G407
 

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