(!!!!) (BEST PAIR #1) 6C4WA GE JAN NOS 1980-1984 (9.8/10ma)
(!!!!) (BEST PAIR #2) 6C4WA GE JAN NOS 1980-1982 (8.4/8.4ma) 1% matched
(!!!!) (BEST PAIR #3) 6C4WA GE JAN NOS 1980-1981 (8.6/9.0ma) (Same Gm)
(!!!!) (BEST PAIR) 6C4WA GE JAN NOS 1973-1980 (8.4/8.2ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (7.0ma and 7.0ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (7.4ma and 7.2ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (8.2ma and 7.6ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (8.8ma and 9.2ma) (same Gm)
(!!!) (Best Single) JAN-6C4WA Philips by Sylvania NOS 1987 (10.2ma)
(!!!) (Single) 6100=CV4058=6C4 Mullard box plate NOS 1973 (9ma)
6100=6C4WA GE 5 star triple mica NOS 1959-1960 (12.6ma) (Premium 6C4)
6C4WA Sylvania NOS 1965 and 1971 (read review)
