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1G3

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

Just Qvigstad
Usage in Models 1= 1956 ; 4= 1960?? ; 1= 1960 ; 1= 1961 ; 2= 1962 ; 1= 1963 ; 1= 1964 ; 2= 1965? ; 1= 1965 ; 7= 1966?? ; 1= 1966? ; 1= 1968?? ; 4= 1969?? ; 1= 1969? ; 1= 1972??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):29

Collection of

Michael Gnaedig-Fischer (MEX)
 
1g3.jpg

 
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