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6BK4A

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ID = 4655
       
 
   
Tube type:  Sharp cutoff beam triode 
Identical to 6BK4A

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AC/DC
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

6bk4a_basediagram.png 6BK4A: 6BK4A TungSol 06/01/64
Vitor Oliveira


Just Qvigstad
6bk4a_data_a.png
6BK4A: RCA Receiving Tube Manual
Heinz Höger

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Usage in Models 5= 1956? ; 18= 1958 ; 45= 1964

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):68

Collection of

 
6bk4a_sears_usa.jpg

 

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