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W429

Information - Help 
ID = 13167
       
 
   
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to W429
Similar Tubes
Normally replaceable-slightly different:
  E462

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description Made by Marathon, but certainly not Marathon Radio Co.; USA 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   

9_15~~1.png W429: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad

Collection of

 
marathon_w420_bild1.jpg

 

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