(!!) CV4024=12AT7WA Brimar NOS square black plates 1968 partially faded printing (7.8/10.4ma)
(!!) CV4024=12AT7WA Brimar NOS square black plates 1973 (11.2/17ma) (high Ma and Gm)
(!!) CV4024=12AT7WA Brimar NOS square black plates 1975 (9.6/14.4ma)
(!!) CV4024=12AT7WA Brimar NOS square black plates 1976 (7.6/8.2ma)
(!!) CV4024=12AT7WA=12AT7 Brimar UK NOS square black plates 1962 (8.6/13.6ma)
(!) (#1 12AT7 Value) 12AT7 Sylvania branded Philips black plates NOS 1970's (7.6/8.2ma)
(!!!) (slightly microphonic single) ECC801S Telefunken <> bottom rebranded 12AT7/ECC81 Telefunken NOS 1962 (9.2ma/10.2ma)
(!!!) (SINGLE) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (10.6ma/9.2ma)
(!!!) (Recommended Single) 12AT7 Telefunken Germany <> bottom NOS 1963 (8.6ma/8.0ma)
(!) (1950's Single) 12AT7WA Sylvania black plates triple mica "D" getter used/good 1950's (6.2/7.0ma)
(!) (~ Best Value ~) JG-12AT7WA=6201 GE gray plates triple mica "U" getter low hours/like new 1958 (8.8/10.6ma)
(!) 12AT7 East Germany branded "M" Mühlhausen NOS 1970's (8.4/9.0ma)
(!) 12AT7 RCA black plates NOS D getter halo 1950's, slightly microphonic (13/16.4ma) (high Ma and Gm)
(!) 12AT7=E81CC RTC Radio Technique France NOS 1971 (7.8/8.0ma)
(!) 6201=12AT7WB GE gray plates NOS 1969 (6.2ma/6.6ma)
(!!) (Recommended Single) E81CC=12AT7 Siemens Germany double mica NOS 1975 (11.6/13.6ma) (strong Ma and Gm)
(!) JG-12AT7WA=6201 GE black plates triple mica "U" getter used/strong 1955 (10ma/15ma)
(!) JG-12AT7WA=6201 GE NOS gray plates 1963-1964 (7ma/7.2ma)
(Best 12AT7 Value) JAN-12AT7WC Sylvania black plates NOS 1970's - 1982 (13 in stock)
(GOOD VALUE) ECC801S=12AT7 Telefunken triple mica used/65% 1967 (5.6ma/6.0ma)
