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1G4

Information - Help 
ID = 13195
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode, vacuum 
Identical to 1G4
Similar Tubes
Normally replaceable-slightly different:
  1E4G ; 1H4G
First Source (s)
20.Jan.1939 : Tube Lore (I)

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uo)
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Description Mu 8.8 
Information source Taschenbuch zum Röhren-Codex 1948/49   

1g4.png
1G4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
    More ...
320_1.png 1G4: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
1g4_dat.png
1G4: Röhrenhandbuch 1995 Franzis-Verlag
Heinz Höger

More ...
Usage in Models 2= 1942?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
1g4.jpg

1G4
 

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