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3A3B

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ID = 4278
       
 
   
Tube type:  Damper, booster, flyback diode 
Identical to 3A3B

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament Vf 3.15 Volts / If 0.22 Ampere / Half indirect
Information source Essential Characteristics, GE 1973   

3a3b_basediagram.png 3A3B: 3A3B
Vitor Oliveira


Just Qvigstad

Collection of

 
3a3brcausa.jpg

3A3B
 

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