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DA3

Information - Help 
ID = 14055
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Audio Frequency 
Identical to DA3
Similar Tubes
Normally replaceable-slightly different:
  KD50
Other class quality (otherwise equal):
  4692

Base SPECIAL TUBEBASE in general (Codex=Sp 26)
Filament Vf 2 Volts / If 0.05 Ampere / Direct / Battery =
Description B4A based low Impedance triode, for use as for hearing aid output. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
 
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DA3: Telefunken Werkstattbuch
Wolfgang Bauer

 

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