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(!!!!) (Best Pair #1) 448A Western Electric tipped top used/test like new 1965 (27.2ma and 27.3ma) 1-2% matched
(!!!!) (Best Pair #1) 5814A Philips JAN NOS 1985-1987 (9.2/9.8ma and 9.1/10.2ma) 1-3% matched (close Gm)
(!!!!) (Best Pair #1) 6LQ6=6JE6C Raytheon Japan NOS 1970's (112ma and 109ma)
(!!!!) (Best Pair #2) 5814A Philips JAN NOS 1985 (10.5/8.2ma and 10/8.3ma) (close Gm)
(!!!!) (Best Pair #2) 6AQ5A GE NOS 1974-1981 (50ma and 52ma)
(!!!!) (Best Pair #2) 6LQ6=6JE6C Raytheon Japan NOS 1970's (105ma and 108ma)
(!!!!) (Best Pair 1930's) 30 Sylvania engraved base NOS 1930's (3.2ma and 3.4ma) (same Gm)
(!!!!) (Best Pair) 0A3 GE NOS 1956-1961 (neon)
(!!!!) (Best Pair) 1L6 Sylvania NOS 1950 same date codes (20/16 and 19/16)
(!!!!) (Best Pair) 27 Philco by Sylvania NOS 1940's (6.3ma and 6.3ma) 1% matched
(!!!!) (BEST PAIR) 408A Western Electric NOS 1976 and 1982 (86/60 and 88/60)
(!!!!) (Best Pair) 5763 Sylvania JAN NOS 1972 (43ma and 44ma)
(!!!!) (Best Pair) 6AW8A GE NOS 1968 (4.8/24ma and 5.4/27ma) (close Gm) (Shindo)
(!!!!) (Best Pair) 6BQ7A RCA black plates NOS 1967 same date codes (15/14.5ma and 13.5/16.5ma)
(!!!!) (Best Pair) 6GJ7=ECF801 RCA Heerlen Holland NOS 1969-1971 (83-85/60 x 2 tubes)
(!!!!) (Best Pair) 6N7 GE metal can NOS 1954-1955 (3.3/3.1ma and 3.1/3.1ma) 1-2% matched
(!!!!) (BEST PAIR) 6SQ7 RCA NOS 1950 (1.0ma and 1.0ma) 1-2% matched **
(!!!!) (BEST PAIR) 6SQ7 RCA NOS 1950-1953 (1.0ma and 1.0ma) 1% matched **
(!!!!) (BEST PAIR) 6SQ7 RCA NOS 1953 (1.0ma and 1.0ma) 1% matched **
(!!!!) (BEST PAIR) 7C5 Sylvania branded International NOS 1960's (39ma and 40ma) (LOKTAL BASE 6V6GT)