(!!!) (Best Single) JAN-6C4WA GE NOS 1967-1968 (11.8ma)
(!!!) (BEST VALUE PAIR) 12AU7A RCA Bell and Howell and RCA clear top used/good 1960's (8.4/9.0ma and 8.0/8.6ma)
(!!!) (Best Value Pair) 6C4WA GE JAN NOS 1966-1967 (7.8/7.8ma) 1-2% matched
(!!!) (Best Value Pair) 6FQ7 GE NOS 1978-1979 (5.8/6.2ma and 5.6/6.6ma)
(!!!) (Good Value Pair) 6GK5=6FQ5A Sylvania rebranded Raytheon NOS (8ma and 8ma)
(!!!) (Good Value Single) 5751 RCA black plates triple mica "D" getter low hours/tests like new 1950's (2.4ma/2.5ma)
(!!!) (PAIR) 6C4 GE ribbed plates NOS 1964-1968 (8.8ma and 9.2ma)
(!!!) (Recommended Pair) 12AU7A GE NOS 1965-1975 (8.8/8.8ma and 9.2/8.8ma) (Same Gm) (smooth and warm)
(!!!) (Recommended Pair) 6C4WA GE JAN and JG NOS 1965-1967 (8.4/8.8ma) 1-3% matched
(!!!) (Recommended PAIR) 6C4WA GE JAN NOS 1971-1973 (8.4/8.4ma) 1% matched
(!!!) (Recommended Pair) 6C4WA GE JAN NOS 1971-1973 (8.8/9.0ma) 1-2% matched
(!!!) (Recommended Pair) 6FQ7 GE NOS 1973-1974 (6.5/8.4ma and 7.0/8.0ma)
(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's same build (6.4/6.8ma and 6.4/6.4ma)
(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's same build (9.0/8.0ma and 8.0/7.6ma)
(!!!) (Recommended Pair) 6GK5=6FQ5A Sylvania rebranded Raytheon NOS (8.2ma and 8.3ma)
(!!!) (Recommended Pair) 6GK5=6FQ5A Toshiba Japan rebranded Raytheon NOS (8.7ma and 9.7ma)
(!!!) (Recommended Pair) WL-5965 Westinghouse NOS 1965 (12/14.2ma and 12/13.2ma)
(!!!) (Recommended Single) 12AU7A GE NOS 1963 (8.6/9.5ma)
(!!!) (Recommended Single) 12AU7A RCA clear top used/like new "D" getter halo 1960's (9.0/10.8ma)
(!!!) (Single) 6100=CV4058=6C4 Mullard box plate NOS 1973 (9ma)