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677

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ID = 9690
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 677

Base 6-Pin-Base U6A, old, USA (Codex=Kf)
Filament Vf 6.3 Volts / If 0.3 Ampere / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

s_241_g_3.gif 677: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


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