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6681

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ID = 6078
       
 
   
Tube type:  Double Triode   Audio Frequency 
Identical to 6681
Similar Tubes
Normally replaceable-slightly different:
  12AX7A ; 6057 ; E83CC

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 Special version of 12AX7 intended for use in mobile equipment powered by storage batteries. Operates with 6.3V plus or minus 1.3V heater supply. Heaters can be series connected for operation from 10 to 15V. 
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Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Röhren-Taschen-Tabelle, (Franzis RTT)   

no15_g_10.gif 6681: RTT Schwandt
Günther Stabe † 19.8.20

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Just Qvigstad
6681_techdat01.png
6681: RCA Tube Manual
Peter Hoddow

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