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E2157

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ID = 21217
       
 
   
Tube type:  Double Triode   Universal 
Identical to E2157
Similar Tubes
Normally replaceable-slightly different:
  ECC81

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Description Durch Heizfaden-Mittenanschluss auch Betrieb mit 6.3 V und o.3 A möglich. 
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
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no15_g_31.gif E2157: RTT Schwandt
Günther Stabe † 19.8.20


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