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ID = 25519
Great Britain (UK)
Brand: GEC, General Electric Co Ltd., GENALEX; London
Tube type:  Triode-Hexode   Frequency converter 
Identical to X78
Similar Tubes
Other base:

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Half indirect / Specified voltage AND current AC/DC

X78: Internet
Miguel Angel Trujillo-Rodriguez

x_78.gif X78: AH eigene Sammlung
Alexander Hofer

Just Qvigstad
X78: own collection
Peter den Boer

More ...
Usage in Models 1= 1950?? ; 9= 1950 ; 7= 1951 ; 2= 1952?? ; 2= 1953 ; 1= 1954? ; 2= 1954 ; 2= 1955? ; 2= 1959?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):28

Collection of

Collection of a member from FIN


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