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(!!!) (Best Value) 12AT7 Amperex Mullard UK NOS 1971 (7.5/11.2ma)
(!!!!) (Best Value Single) 12AT7WA RCA Command Series black plates NOS 1965 (6.2/7.5ma)
(!!!!) (Best Value Pair) JAN-12AT7WC Sylvania black plates NOS 1980 (8.6/7.6ma and 9.0/7.5ma)
(!!!!) (Recommended Single) ECC801S=12AT7 Telefunken Germany <> bottom NOS 1966 with warranty sheet (8.5/9.8ma)
(!!!) (Best Pair) 12AT7 RCA gray plates NOS 1972-1974 (9.2/8.6ma and 9.6/8.4ma)
(!!!!) (Best Pair #1) 12AT7 RCA gray plates NOS 1970-1971 (11/10ma and 10.8/11.6ma) (Fender, VTL, Croft) 1-5% matched
(!!!) (Best 12AT7WC Single) JAN-12AT7WC Sylvania black plates NOS 1978 (9/10ma)
(!!!) (Best Mullard Single) 12AT7WA=CV4024=M8162 Mullard UK NOS 1964 (14/10ma)
(!!!) (Single) E81CC=12AT7WA Siemens Munich Germany NOS 1975 (10.8/9.3ma)
(!!!) (Good Value Single) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used/good (8.4/9.8ma)
(!!!) (Good Value) E81CC=12AT7 Haltron England NOS around 1960 (8.4/10.2ma)
(!!!) (Recommended Siemens Single) ECC81=12AT7 Siemens branded Mullard NOS circa 1970 (10.0/10.8ma)
(!!!) (Recommended Single) 12AT7 Fisher Telefunken Germany <> bottom NOS 1964 (7ma/11ma) (recommended for mic)
(!!!) (Recommended Single) 12AT7WC Raytheon NOS black plates triple mica "O" getter 1975 (10/12ma)
(!!!) (slightly microphonic) ECC81=12AT7 Miniwatt by Mullard NOS 1970 (9.6/10.6ma)
(!!!) (Recommended Pair) 12AT7 RCA gray plates NOS 1971 (7.2/8.0ma and 7.6/6.6ma) (close Gm)
(!!) (#1 12AT7 France) 12AT7 Philips Miniwatt France NOS 1964 in white box (7.4/7.8ma)
(!!!) (Single) 12AT7 GE gray plate NOS 1981 (8.4ma/6.8ma)
(!!!) (Best used single) 12AT7 Telefunken Diamond Bottom used/good 1960's (10.0ma/10.8ma)
(!!!!) (Best Single) GB-6201 Sylvania Gold Brand NOS 1970 era (11.5ma/10.5ma)
