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ID = 19810
Brand: Philips Australia
Tube type:  OCTODE   Frequency converter 
  Ca. 1925 up to 1945 rare.
Identical to KK2G
Similar Tubes
Other base:
  KK1 ; KK2 ; KK2G_UX6 ; VO2

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.13 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   
KK2G: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

KK2G: own collection
Peter den Boer

from Just Qvigstad

Usage in Models 12= 1938 ; 5= 1939 ; 1= 1940? ; 2= 1940

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):20

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