Antique radios, Old Time Radios

1A7GT

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

Tube ID = 2618


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Identical to	1A7GT = VT-147
Similar Tubes	Other base: DK1
First Source (s)	26.Apr.1939 : Electron Tube Registration List

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ut)
Was used by	Radio/TV-reception etc.
Filament	Vf 1.4 Volts / If: 0.05 Ampere / -: Direct / -: Battery = /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

scc
Christian Schaufelberger

Sylvana_Tube_Manual_1959
Egon Penker

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)

3= 1938 ; 3= 1939?? ; 32= 1939? ; 41= 1939 ; 28= 1940?? ; 38= 1940? ; 97= 1940 ; 42= 1941?? ; 39= 1941? ; 84= 1941 ; 32= 1942?? ; 21= 1942? ; 25= 1942 ; 3= 1945? ; 2= 1945 ; 5= 1946?? ; 10= 1946? ; 52= 1946 ; 21= 1947?? ; 6= 1947? ; 25= 1947 ; 6= 1948?? ; 2= 1948? ; 14= 1948 ; 5= 1949?? ; 4= 1949 ; 4= 1950?? ; 3= 1951?? ; 1= 1951 ; 6= 1952?? ; 1= 1953?? ; 3= 1954?? ; 1= 1955?? ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 659

No further Information for

1A7GT

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