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ID = 20298
Tube type:  Vacuum Pentode   Power/Output 
Identical to DL97 = 3Y4

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Direct

dl97.gif DL97: AH eigene Sammlung
Alexander Hofer

Just Qvigstad
Usage in Models 1= 1955?? ; 1= 1956 ; 3= 1957? ; 1= 1957 ; 1= 1958?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of



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