Antique radios, Old Time Radios

12AT7

Country:	United States of America (USA)	Brand:	Common type USA tube/semicond.
		Developer:	General Electric Co. (GE); Bridgeport CT, Syracuse NY
		Tube type:	Double Triode VHF

Tube ID = 3539

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Identical to	12AT7 = ECC81 = CV455 = CC81E = B152 = B309
Similar Tubes	Other shape (e.g. bulb type): TS12AT7 Normally replaceable-slightly different: 6679 Other class quality (otherwise equal): 12AT7WA; 12AT7WB; 12AT7WC; 33A/101K; 6060; 6201; 7728; CV4024; M8162 Heater different: 12AZ7A Different connections: 12DT8
First Source (s)	20.May.1947 : Electron Tube Registration List 583
Predecessor Tubes	6J6 14F8
Successor Tubes	1954 ECC85 6AQ8

Base	Noval, B9A (Codex=No 15)
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description	Dual-triode intended for HF/VHF applications. Centre-Tapped heater can operate at 6.3V 0.3A. Text in other languages (may differ)
Tube prices	1 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	12AT7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †

12AT7: TreLe
Trev Levick

Variants

12AT7: RTT 1974 (Franzis) 13. Auflage
Martin Renz

12AT7: RCA Tube Manual
Peter Hoddow

Usage in Models

1= 1946?? ; 1= 1947?? ; 5= 1947 ; 1= 1948?? ; 12= 1948? ; 82= 1948 ; 5= 1949?? ; 42= 1949? ; 134= 1949 ; 42= 1950?? ; 15= 1950? ; 154= 1950 ; 16= 1951?? ; 50= 1951? ; 127= 1951 ; 32= 1952?? ; 21= 1952? ; 116= 1952 ; 9= 1953?? ; 13= 1953? ; 154= 1953 ; 12= 1954?? ; 28= 1954? ; 164= 1954 ; 30= 1955?? ; 36= 1955? ; 60= 1955 ; 16= 1956?? ; 12= 1956? ; 57= 1956 ; 8= 1957?? ; 8= 1957? ; 24= 1957 ; 6= 1958?? ; 44= 1958? ; 89= 1958 ; 9= 1959?? ; 196= 1959? ; 148= 1959 ; 36= 1960?? ; 26= 1960? ; 22= 1960 ; 4= 1961?? ; 27= 1961? ; 16= 1961 ; 7= 1962?? ; 26= 1962? ; 21= 1962 ; 9= 1963?? ; 19= 1963? ; 31= 1963 ; 3= 1964?? ; 7= 1964? ; 25= 1964 ; 32= 1965?? ; 6= 1965? ; 15= 1965 ; 5= 1966?? ; 7= 1966? ; 10= 1966 ; 5= 1967?? ; 5= 1967? ; 6= 1967 ; 5= 1968?? ; 6= 1968? ; 7= 1968 ; 1= 1969? ; 6= 1969 ; 11= 1970?? ; 1= 1970? ; 3= 1970 ; 1= 1971?? ; 2= 1971? ; 1= 1971 ; 1= 1972?? ; 1= 1972? ; 2= 1973?? ; 2= 1973? ; 1= 1974?? ; 1= 1974 ; 2= 1975?? ; 1= 1977? ; 1= 1977 ; 1= 1980 ; 4= 1982 ; 1= 1983 ; 2= 1984 ; 1= 1992 ; 1= 2006 ; 1= 2007? ; 2= 9999

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2418

12AT7*Box		KS Keith Staines	My tubes	Ebay Auction Franz Scharner

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12AT7

12AT7*Box