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42EC4

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ID = 22083
       
 
   
Tube type:  Damper, booster, flyback diode 
Identical to 42EC4 = PY500
Successor Tubes 42EC4A  

Base Magnoval (9-Pins), B9D
Filament Vf 42 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
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mn20_g.gif 42EC4: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad

Collection of

 
42ec4a.jpg

42EC4
 

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