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4KF8

Information - Help 
ID = 4453
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Pentode 
  Late but very rare. ***
Identical to 4KF8
Similar Tubes
Heater different:
  3KF8 ; 6KF8

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 4.2 Volts / If 0.45 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

4kf8_sockel.png 4KF8: Essential characteristics
Peter Hoddow


Just Qvigstad
 

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