(!!!!!) (Best Pair) JAN-12AT7WC Sylvania black plates NOS 1976 (11.2/12.2ma and 11.2/11.0ma)
(!!!!!) (Recommended Pair) JAN-12AT7WC GE gray plates NOS 1972-1979 (9.6/11.8ma and 8.6/12.4ma)
(!!!!) (Best Value Pair) JAN-12AT7WC GE gray plates NOS 1982 (7.5/9ma and 8/9.4ma)
(!!!!) (Recommended Pair) JAN-12AT7WC GE gray plates NOS 1975-1978 (7.2/8.2ma and 7.0/8.8ma)
(!!!!) (Recommended Pair) JAN-12AT7WC Sylvania black plates NOS 1978 (8.0/8.4ma and 8.2/9.4ma)
(!!!!) (Recommended Pair) JAN-12AT7WC Sylvania black plates NOS 1978 (8.7/10.8ma and 8.4/10.6ma)
(!!!!) (Recommended Pair) JAN-12AT7WC Sylvania black plates NOS 1978-1979 (8.6/12.4ma and 9.0/11.8ma)
(!!!) (Best 12AT7WC Single) JAN-12AT7WC Sylvania black plates NOS 1978 (9/10ma)
(!!!) (Best Value Pair) JAN-12AT7WC GE gray plates NOS 1970 (7.0/7.6ma and 7.0/8.2ma)
(!!!) (Recommended Pair) 12AT7 GE gray plates NOS 1977 (8.0/8.8ma and 8.2/8.8ma)
(!!!) (Recommended Pair) JAN-12AT7WC GE gray plates NOS 1972-1975 (8.8/9.0ma and 8.4/8.6ma)
(!!!) (Recommended Single) 12AT7WC GE NOS 1975 (10.6/12.2ma)
(!!!) 12AT7WB Raytheon NOS black plates triple mica used/good 1960's (7.8/8.4ma)
(!!) 12AT7WC Raytheon NOS black plates triple mica 1975 (7.2/7.4ma)
(!!) 12AT7WC Raytheon NOS black plates triple mica 1975 (7/11ma)
(Best 12AT7 Value) JAN-12AT7WC Philips by Sylvania black plates NOS 1981-1984 (13 in stock)
(Best 12AT7 Value) JAN-12AT7WC Sylvania black plates NOS 1970's - 1982 (13 in stock)