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1H4G

Information - Help 
ID = 3983
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Universal 
Identical to 1H4G = CV774
Similar Tubes
Other shape (e.g. bulb type):
  1H4GT
Normally replaceable-slightly different:
  1G4
Other base and data slightly different:
  VT-27
First Source (s)
04.May.1936 : Electron Tube Registration List

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uo)
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Tube prices 3 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
1h4g_ge_img2_rmf.jpg
1H4G: My Collection
Bruce Morgenstern

 
1h4gbasediagram.png
1H4G: 1H4G RCA Data Sheet 1947
Vitor Oliveira

 
1h4g_techdat01.png
1H4G: Sylvania Technical Manual
Peter Hoddow


Usage in Models 5= 1936?? ; 79= 1936 ; 5= 1937?? ; 5= 1937? ; 126= 1937 ; 6= 1938?? ; 6= 1938? ; 129= 1938 ; 4= 1939?? ; 10= 1939? ; 15= 1939 ; 1= 1940?? ; 1= 1940? ; 10= 1940 ; 3= 1941?? ; 1= 1941? ; 7= 1941 ; 5= 1942?? ; 14= 1942? ; 4= 1946?? ; 1= 1946? ; 5= 1946 ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):443


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