Antique radios, Old Time Radios

12AT7

ID = 3539

Country:

Worldwide

Brand:	Common type Worldwide tube/semicond. Common type Worldwide tube/semicond. Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH Brimar (STC); Foots Cray Mazda = Valve (Tube) brand GB (see also France) Mullard Radio Valve Co. Ltd.; Amperex; New York General Electric Co. (GE); Bridgeport CT, Syracuse NY Philco, Philadelphia Stg. Batt. Co.; USA RCA (RCA Victor Co. Inc.); New York (NY)
Developer:	General Electric Co. (GE); Bridgeport CT, Syracuse NY
Tube type:	Double Triode VHF

Identical to

12AT7 = CV455 = CC81E = B152 = B309 = B739 = ECC81

Similar Tubes

Other shape (e.g. bulb type):

TS12AT7

Normally replaceable-slightly different:

12AT7-TII ; 12AT7A ; 6060 ; 6679

Other class quality (otherwise equal):

12AT7WA ; 12AT7WB ; 12AT7WC ; 33A/101K ; 6201 ; 7728 ; CV4024 ; M8162 ; QA2406

Heater different:

12AZ7A

Different connections:

12DT8

Other base and other heater:

6DT8

Differences not known by us:

12AT7EH

First year

20.May.1947 Electron Tube Registration List 583

Predecessor Tubes

6J6 14F8 7F8

Successor Tubes

1954 ECC85 6AQ8 6DT8

Base

Noval, 9 pin miniature (USA pico-9) B9A (Codex=No 15)

Was used by

Radio/TV-reception etc.

Filament

Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AC/DC

Description

Dual-triode intended for HF/VHF applications. G-G amplifier or frequency converter at frequencies up to obout 300MHz.
Center tapped heater allows operation from either 6.3 V or 12.6 V heater supply.

Text in other languages (may differ)

Tube prices

9 Tube prices (visible for members only)

Information source

Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature

12AT7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus † More ...
12AT7: RTT 1974 (Franzis) 13. Auflage Martin Renz More ...	Just Qvigstad	12AT7: RCA Tube Manual Peter Hoddow More ...

Usage in Models

2= 1947? ; 7= 1947 ; 5= 1948?? ; 34= 1948? ; 86= 1948 ; 4= 1949?? ; 90= 1949? ; 113= 1949 ; 44= 1950?? ; 169= 1950? ; 130= 1950 ; 11= 1951?? ; 447= 1951? ; 95= 1951 ; 31= 1952?? ; 54= 1952? ; 88= 1952 ; 11= 1953?? ; 51= 1953? ; 138= 1953 ; 14= 1954?? ; 43= 1954? ; 181= 1954 ; 39= 1955?? ; 122= 1955? ; 73= 1955 ; 27= 1956?? ; 71= 1956? ; 77= 1956 ; 11= 1957?? ; 86= 1957? ; 31= 1957 ; 26= 1958?? ; 87= 1958? ; 106= 1958 ; 14= 1959?? ; 207= 1959? ; 151= 1959 ; 65= 1960?? ; 38= 1960? ; 31= 1960 ; 8= 1961?? ; 40= 1961? ; 22= 1961 ; 19= 1962?? ; 37= 1962? ; 32= 1962 ; 9= 1963?? ; 32= 1963? ; 52= 1963 ; 6= 1964?? ; 19= 1964? ; 28= 1964 ; 38= 1965?? ; 13= 1965? ; 23= 1965 ; 7= 1966?? ; 9= 1966? ; 11= 1966 ; 6= 1967?? ; 8= 1967? ; 8= 1967 ; 5= 1968?? ; 11= 1968? ; 9= 1968 ; 4= 1969?? ; 3= 1969? ; 9= 1969 ; 14= 1970?? ; 5= 1970 ; 2= 1971?? ; 4= 1971? ; 1= 1971 ; 1= 1972?? ; 5= 1972? ; 3= 1973?? ; 1= 1973? ; 1= 1974? ; 1= 1974 ; 1= 1975?? ; 1= 1975? ; 1= 1976 ; 1= 1977? ; 1= 1977 ; 2= 1980 ; 1= 1981 ; 4= 1982 ; 1= 1983 ; 2= 1984 ; 1= 1986 ; 1= 1992 ; 1= 1998? ; 2= 1999? ; 1= 2000?? ; 1= 2001?? ; 1= 2002 ; 1= 2006?? ; 1= 2006 ; 1= 2007? ; 1= 2013 ; 5= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3648

Collection of

12AT7

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12AT7

Common type Worldwide tube/semicond.

Collection of