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20C4_Ultron

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ID = 10703
       
Country:
Belgium
Brand: Ultron (tubes)
Tube type:  Vacuum Pentode   Power/Output 
Identical to 20C4_Ultron = B2043_B6

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Ldo)
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Specified current DC = (Series working)
Information source Taschenbuch zum Röhren-Codex 1948/49   


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