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12NK7GT

Information - Help 
ID = 18788
       
Country:
Italy
Brand: Fivre - tubes; Milano (MI)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 12NK7GT = 12NK7
Similar Tubes
Heater different:
  6NK7GT
Predecessor Tubes 12K7  

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
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   
 
12nk7gt_fivre.jpg
12NK7GT: FIVRE
Georges Werts

 
12nk7gt_so.png
12NK7GT: rtt
Anonymous 10 Collector

 
12nk7babanidoc.png
12NK7GT: Babani 1951-1954
Patrice Zeissloff


from Just Qvigstad

Usage in Models 2= 1946 ; 3= 1947 ; 3= 1948?? ; 1= 1948? ; 4= 1948 ; 3= 1949

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16


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