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1G3

Information - Help 
ID = 18639
       
 
   
Tube type:  Damper, booster, flyback diode 
Identical to 1G3
Similar Tubes
Normally replaceable-slightly different:
  R-3A3

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament Vf 1.25 Volts / If 0.2 Ampere / Direct
  1g3.gif
  1G3: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
1g3.jpg
1G3: Michael Gnaedig
Michael Gnaedig-Fischer

 
1g3_so.png
1G3: ARRL Handbook 1972
Anonymous 10 Collector

 

from Just Qvigstad

Usage in Models 1= 1956 ; 3= 1960?? ; 1= 1960 ; 1= 1964 ; 1= 1965? ; 1= 1966? ; 1= 1968?? ; 1= 1969? ; 1= 1972??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11


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