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678

Information - Help 
ID = 9691
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Controlling (mu) 
Identical to 678

Base 6-Pin-Base U6A, old, USA (Codex=Kf)
Filament Vf 6 Volts / If 0.3 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
s_241_g_4.gif
678: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

 

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