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4A4_Ultron

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ID = 10581
       
Country:
Belgium
Brand: Ultron (tubes)
Tube type:  Vacuum Pentode   Power/Output 
Identical to 4A4_Ultron = C443

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   


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