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1225

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ID = 8608
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  HEPTODE   Universal   Controlling (mu) 
Identical to 1225
Similar Tubes
Other class quality (otherwise equal):
  6L7

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uao)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

1225_so.png 1225: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
 

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