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AC044X

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ID = 15518
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Power/Output 
Identical to AC044X = D404
Similar Tubes
Normally replaceable-slightly different:
  U4D

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.6 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

b4_base_pins~~397.png AC044X: Fin Stewart
Fin Stewart


Just Qvigstad

Collection of

 
aco44x_mullard.jpg

AC044X
 

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