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12NK7

Information - Help 
ID = 18787
       
Country:
Italy
Brand: Fivre - tubes; Milano (MI)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 12NK7 = 12NK7GT
Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Description

A metal tube 12NK7 does not exist, see under 12NK7GT

 
Text in other languages (may differ)
Information source
12nk7_so.png 12NK7: rtt
Anonymous 10 Collector

Just Qvigstad 		12nk7babanidoc_1.png
12NK7: Babani 1951-1954
Patrice Zeissloff
Usage in Models 1= 1946?? ; 1= 1946 ; 1= 1947? ; 2= 1947 ; 3= 1948? ; 2= 1948
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of

Tomasz Szczesniak (PL)
Gidi Verheijen (NL)
Antonio Varrica (I)
 
12nk7~~1.jpeg

12NK7
 
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