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(!!!!!) (Best Overall Pair) JAN-6384 Tungsol low hours/test like new 1967-1972 (68.5ma and 66ma)
(!!!!!) (Best Quad #1) JAN-6550A GE NOS 1985-1986 (130.2ma, 131ma, 131.2ma, 132.6ma) 1-3% matched
(!!!!!) (Best Quad #2) JAN-6550A GE NOS 1985-1986 (129ma, 130ma, 131ma, 129.5ma) (Close Gm)
(!!!!!) (Best Single 1954) 6V6GT RCA black plate coated glass NOS 1954 (42.5ma) (Fender, Swart, Clark, Victoria, Ampeg, Silvertone amps)
(!!!!!) (Single) 45 RCA/Cunningham engraved base used/65-70% (19ma)
(!!!!!) (SINGLE) 7581A=6L6GC GE brown base like new 1967 reboxed (76ma) (rare)
(!!!!) (Best Overall Pair) 6528 Raytheon graphite plates NOS and like new 1970 era (125ma/135ma and 119/129ma)
(!!!!) (Best Overall Single) JAN-5998 Tungsol NOS black plates NOS 1966 same build as 421A Western Electric (113ma/119ma) (close triode section balance)
(!!!!) (Best Pair #1) 5763 Sylvania JAN NOS 1972-1973 (46ma and 47ma)
(!!!!) (Best Pair #1) 6LQ6=6JE6C Raytheon Japan NOS 1970's (112ma and 109ma)
(!!!!) (Best Pair #2) JAN-6528A Cetron USA test like new 1987-1989 (102/110mA and 104/106.5ma)
(!!!!) (Best Pair #3) 5763 Sylvania JAN NOS 1974 (33ma and 34ma)
(!!!!) (Best Pair 1930's) 30 Sylvania engraved base NOS 1930's (3.2ma and 3.4ma) (same Gm)
(!!!!) (Best Pair 6L6GB) 6L6GB RCA and RCA branded Tungsol black plate double "D" getters low hours/like new 1950's (78.5ma and 80ma) (rare)
(!!!!) (Best Pair) 7189 Sylvania black plates NOS 1970 era (42ma and 46ma)
(!!!!) (BEST PAIR) 7C5 Sylvania branded International NOS 1960's (39ma and 40ma) (LOKTAL BASE 6V6GT)
(!!!!) (Best Quad #1) 6L6GT Russian branded Raytheon NOS 1970's in white boxes (71.0/71.2/71.5/71.8ma) (not a sub for 6L6GC)
(!!!!) (Best Quad #1) 6L6GT Russian branded Raytheon NOS 1970's in white boxes (73.2/73.5/74/74ma)
(!!!!) (Best Quad #2) 6L6GT Russian branded Raytheon NOS 1970's in white boxes (68/67.5/69/70ma)
(!!!!) (Best Quad) 6L6GT=6n3C Russian NOS 1982 in white boxes (64.5/65.6/65/66.5ma)
