(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (134.5ma and 135.8ma) 1-2% matched
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (135ma and 135.6ma) 1-2% matched
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (137ma and 139.3ma)
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (138.8ma and 139.2ma) 1-2% matched
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (138ma and 139ma) 1-3% matched
(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (141ma and 143ma)
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (129ma, 129ma, 129.5ma, 130ma) 1-3% matched
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (130.2ma, 131ma, 131.2ma, 132.6ma) 1-3% matched
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (132.5ma, 132.2ma, 133.2ma, 134.4ma) 1-2% matched
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (132ma, 133.5ma, 134ma, 134.5ma) 1-3% matched
(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (138.8ma, 139.2ma, 139.4ma, 139.5ma)
(!!!!) (Best Pair #2) 6FQ7 RCA clear top NOS 1966-1971 (7.2/8.2ma and 8.0/8.2ma) (STAX, MARANTZ, CONRAD JOHNSON)
(!!!!) (Best Pair) 6FQ7 Zenith by GE NOS 1977 (7.2/8.0ma and 7.0/7.8ma)
(!!!!) (BEST SINGLE) 12AU7A GE NOS 1963 copper grid posts (11.4/11.6ma) 1-2% section balance
(!!!!) (Good Value Pair) 6FQ7 Philips by Sylvania NOS 1980 era (6.2/6.0ma and 6.0/6.2ma)
(!!!!) (Good Value Pair) 6FQ7 RCA clear top NOS 1970's (6.0/7.0ma and 6.6/7.6ma) (same Gm) (STAX, MARANTZ, CONRAD JOHNSON)
(!!!!) (Pair) JAN-6C4WA Sylvania NOS 1975 (7.8ma and 8.6ma)
(!!!!) (Recommended GE Pair) 6FQ7 Zenith by GE NOS 1977 1-3% matched (7.0/7.6m and 6.8/7.5ma)
(!!!!) (Recommended Pair) 12AU7A GE NOS 1958 (9.5/9.3ma and 10.6/9.2ma) (Rogue)
(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.2/8.0ma and 6.0/8.4ma)
