(!!!!!) (Best Overall Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (10.6ma and 10.3ma) 1-3% matched
(!!!!!) (Best Overall Pair) 6J5GT Raytheon black ribbed plate NOS 1950 era (9.2ma and 9.0ma) 1-2% matched
(!!!!!) (Best Overall Pair) 7N7 Sylvania chrome top NOS 1956-1957 1-3% matched (8/9ma and 8.6/8.4ma) (best 6SN7 sub using adapter sockets)
(!!!!!) (Best Overall Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (7.1ma and 7.1ma) 1-2% matched
(!!!!!) (Best Overall Single) JAN-5691 Sylvania black plates NOS 1977 (2.8/3.1mA) (Same Gm) (Best 6SL7GT sub) (same internals as 5691 red base)
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (25.0ma and 25.6ma) 1-3% matched (same Gm)
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (25.2ma and 26.2ma)
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (28ma and 28.8ma) (same Gm) 1-3% matched
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (28ma and 28ma) 1-3% matched
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's branded National 1962 (25.8ma and 26.4ma) 1-3% matched (same Gm)
(!!!!!) (Best Pair) 5814A Philips JAN USA by Sylvania NOS 1985 (10/11ma and 9.5/10.5ma) 1-3% matched (same Gm)
(!!!!!) (Best Pair) 5U4GB CBS NOS 1950's double "D" getters (59-59/40 and 58-60/40)
(!!!!!) (Best Pair) 6189W Sylvania NOS 1981 (9/10.2ma and 10/9ma) 1-3% matched (same Gm)
(!!!!!) (Best Pair) 6EM7 Sylvania coin-base NOS 1970's (2.2ma/60ma and 2.0ma/61ma)
(!!!!!) (Best Pair) 6V6GTA Sylvania coated glass NOS 1950's (50ma and 53ma)
(!!!!!) (Best Pair) JAN-5687WA GE black plates like new 1968 (33.5/36.5ma and 35.0/34.2ma) (Highest Ma and Gm)
(!!!!!) (Best Pair) JAN-5691 Sylvania black plates NOS 1977 (2.1/2.2mA and 2.1/2.3mA) (Best 6SL7GT sub) (same internals as 5691 red base)
(!!!!!) (Best Pair) JG-5751WA GE black plate triple mica U getter like new 1958 (2.3/2.3ma and 2.4/2.3ma)
(!!!!!) (Best Pair) JG-5751WA GE gray plates triple mica U getter like new 1955 (2.3/2.1ma and 2.2/2.1ma)
(!!!!!) (Best Quad #1) 6J5GT Sylvania lightning logo NOS 1945-1946 (8.0/8.0/8.0/8.2ma)