Antique radios, Old Time Radios

12A8GT

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Pentagrid-Converter (Heptode) Pentagrid (old)

Tube ID = 3829


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Identical to	12A8GT
Similar Tubes	Other shape (e.g. bulb type): 12A8G; OH4 Normally replaceable-slightly different: 12A8M Heater different: 6A8GT
Predecessor Tubes	12A8G
Successor Tubes	12SA7GT

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Was used by	Radio/TV-reception etc.
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	my collection Giuseppe Antonio Tusini

franco antolini
Franco Antolini

RTT Schwandt
Günther Stabe

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	1= 1933 ; 3= 1934 ; 2= 1938 ; 8= 1939?? ; 21= 1939? ; 151= 1939 ; 16= 1940?? ; 10= 1940? ; 41= 1940 ; 7= 1941?? ; 3= 1941? ; 7= 1941 ; 10= 1942?? ; 9= 1942? ; 1= 1942 ; 1= 1946?? ; 1= 1948?? ; 1= 1949 ; 3= 1950?? ; 2= 1951?? ; 1= 1951 ; 1= 1952 ; 2= 1954?? ; 2= 1954? ; 2= 1956 ; 3= 9999 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 309

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12A8GT

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