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1L5G

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ID = 39665
       
Country:
Australia
Brand:
Tube type:  Vacuum Pentode   Power/Output 
Identical to 1L5G
Similar Tubes
Other base:
  1D4
Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.24 Ampere / Direct / Specified voltage AC/DC
Description Possible replacement = 1F5G. See also 1L5GU. Information from Stuart Irwin, Australia: The 1M5G and the 1L5G are two of a series of ruggedised valves produced by AWV for Australian conditions. The US and European battery valves then available often did not survive transport over the very bad country roads of the time. They also had good performance and longer life that the others but needed a higher filament current. 
1l5g_pinconnections.png 1L5G: AWV Radiotron Valve Data Book
Stuart Irwin

Just Qvigstad 		1l5g_data.png
1L5G: AWV Radiotron Valve Data Book
Stuart Irwin
Usage in Models 3= 1937 ; 50= 1938 ; 94= 1939 ; 2= 1940? ; 40= 1940 ; 41= 1941 ; 2= 1942 ; 1= 1943?? ; 2= 1943 ; 1= 1944 ; 1= 1945?? ; 6= 1945 ; 56= 1946 ; 1= 1947? ; 26= 1947 ; 2= 1948? ; 23= 1948 ; 8= 1949 ; 1= 1950? ; 12= 1950 ; 1= 1951? ; 4= 1951 ; 6= 1952 ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):384

Collection of

Stuart Irwin (AUS)
Fin Stewart (AUS)
Robert Gillespie (USA)
 
dscf8082.jpg

1L5G
 
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