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12AJ7

Information - Help 
ID = 25175
       
 
   
Tube type:  Triode-Heptode   Frequency converter 
Identical to 12AJ7 = HCH81
Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC

Just Qvigstad
Usage in Models 1= 1952?? ; 1= 1954? ; 1= 1955?? ; 1= 1956?? ; 1= 1956? ; 1= 1956 ; 1= 1957?? ; 1= 1960?? ; 3= 1961? ; 1= 1961 ; 1= 1963?? ; 1= 1963? ; 1= 1963
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):15

Collection of

Robert Gillespie (USA)
Keith Staines (GB)
João-Afonso Santos (P)
 
12aj7.jpg

12AJ7
 
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