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12K8sp

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ID = 8757
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to 12K8sp = VT-132

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

12k8sp_so.png 12K8sp: ARRL Handbook 1972
Anonymous 10 Collector

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