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5BK7A

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ID = 4477
       
 
   
Tube type:  Double Triode 
Identical to 5BK7A
Similar Tubes
Heater different:
  19BK7A ; 6BK7A ; 9BK7A

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 4.7 Volts / If 0.6 Ampere / Indirect / Specified current DC = (Series working)
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

5bk7a_corrected.png
5BK7A: corrected version
Roland Langfeld

5bk7a.png 5BK7A: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

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Just Qvigstad
5bk7a_techdat01.png
5BK7A: RCA Tube Manual
Peter Hoddow

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Usage in Models 5= 1955? ; 18= 1955 ; 231= 1956? ; 4= 1956 ; 19= 1957? ; 2= 1958? ; 28= 1959?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):307

Collection of

 
5bk7a.jpg

 

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