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VO4

Information - Help 
ID = 9363
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Identical to VO4
Similar Tubes
Normally replaceable-slightly different:
  FC4
Other base:
  AK2

Base British-7-Pin, old (M7A) (Codex=Neo)
Filament Vf 4 Volts / If 0.65 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
vo4.jpg
VO4: FC
Frank Cuffe

 
563_2.png
VO4: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 2= 1935 ; 3= 1936?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5


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