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4A22_Ultron

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ID = 13244
       
Country:
Belgium
Brand: Ultron (tubes)
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 4A22_Ultron = ABC1

Base Europe side contact P8A (Au P, 8SC) (Codex=Sa)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   


Just Qvigstad
Usage in Models 1= 1936??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
ultron_4a22.jpg

 

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