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12K7GM

Information - Help 
ID = 76873
       
Country:
Sweden
Brand: SER, AB Svenska Elektronrör (before Svenska Radio AB); Stockholm
Developer: National Union Radio Corp.; Orange (NJ) 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 12K7GM
Similar Tubes
Other shape (e.g. bulb type):
  12K7G

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 / Parallel / series AC/DC
Description

RF/IF remote cut-off pentode.

 
 
12k7gm.jpg
12K7GM: Own Collection
Tor Steinnes

 

from Just Qvigstad


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