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4B1_Ultron

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ID = 13251
       
Country:
Belgium
Brand: Ultron (tubes)
Tube type:  Triode, vacuum   Universal 
Identical to 4B1_Ultron
Similar Tubes
Normally replaceable-slightly different:
  A409 ; A415

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   

4b1_sockel.png 4B1_Ultron: Manuel des tubes ADZAM et des tubes ULTRON 1939
Hugo Sneyers


Just Qvigstad
4b1_techn.png
4B1_Ultron: Manuel des tubes ADZAM et des tubes ULTRON 1939
Hugo Sneyers

 

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