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D410

Information - Help 
ID = 12640
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Space Charge Tetrode   Frequency converter 
Identical to D410
Similar Tubes
Normally replaceable-slightly different:
  A441 ; DG4 ; RO4610 ; TMBF1

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eu)
Filament Vf 4 Volts / If 0.08 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
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D410: Telefunken Werkstattbuch
Wolfgang Bauer

 

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