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APP4B

Information - Help 
ID = 10941
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   Power/Output 
Identical to APP4B
Similar Tubes
Other base:
  APP4Bs
Other base and other heater:
  AL4

Base British-7-Pin, old (M7A) (Codex=Ndo)
Filament Vf 4 Volts / If 2 Ampere
Description

W.Sprick: Austausch-Röhren-Lexikon 1947 gibt zwei Sockeltypen an: Topfsockel M8A und 7-Stift M7A.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
app4.jpg
APP4B: FC
Frank Cuffe

 
s_385_g_10.gif
APP4B: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 


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