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(!!!!) (Best GE Single 1955) 12AY7 GE NOS 1955 (3.5/2.8ma) (Tweed) (High Gm)
(!!!!) (Best Overall Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49/40 and 49/40 x 2 tubes) 1% matched
(!!!!) (BEST OVERALL SINGLE) 12AU7A GE NOS 1958 copper grid posts (11.8/11.4ma) 1-3% section balance
(!!!!) (Best Overall Single) 5670W GE JAN NOS 1986 (8.2/8.2ma) (Same Gm) 1% section balance
(!!!!) (Best Overall Single) GL-6072 GE "5 Star" NOS black plates triple mica D getter 1954 (2.9/2.9ma) (AKG, Soundelux, Pearlman, Korby) 1% section balance
(!!!!) (Best Pair #1) 5670W GE NOS 1986 (9.0/8.2ma and 8.6/9.0ma) 1-3% matched
(!!!!) (Best Pair #1) 5670W GE NOS 1986-1987 (9.8/8.8ma and 9.0/9.8ma) 1-3% matched (close Gm)
(!!!!) (Best Pair #1) 5763 Sylvania JAN NOS 1972-1973 (46ma and 47ma)
(!!!!) (Best Pair #1) 6BX7GT Sylvania triple mica "O" getter NOS 1960 era (74/66.5ma and 78.5/68.5ma) (same Gm)
(!!!!) (BEST PAIR #1) CK-5687WB Raytheon black plates 1960's (Audio Note, Manley, Modwright) (33/34ma and 33/34.2ma) 1-2% matched
(!!!!) (BEST PAIR #1) JAN-6005W GE NOS 1981 (47.8ma and 48.5ma) 1-3% matched
(!!!!) (Best Pair #2) 5670W GE NOS 1986 (9.4/11ma and 9.8/11.6ma) 1-5% matched (Highest Ma and Gm)
(!!!!) (BEST PAIR #2) 6201=12AT7WC GE "5 STAR" NOS double mica, copper grid posts, gray plates, 1972 (7.2/8.6ma and 8.6/8.2ma)
(!!!!) (Best Pair #2) 6BQ5 GE NOS 1966-1980 same build (58.5ma and 60ma)
(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica "D" getter NOS 1950's (52.2/47ma and 48/44ma)
(!!!!) (Best Pair #2) 6BX7GT Sylvania triple mica "D" getter NOS 1950's (60/55ma and 52/54ma)
(!!!!) (BEST PAIR #2) 6C4WA GE JAN NOS 1980-1982 (8.4/8.4ma) 1% matched
(!!!!) (Best Pair #2) 6EM7=6EA7 Sylvania coin-base NOS 1970's (1.5ma/73ma and 1.8ma/65ma)
(!!!!) (BEST PAIR #2) JAN-6005W GE NOS 1980-1981 (47.4ma and 47.8ma) 1-2% matched
(!!!!) (Best Pair #3) 5670W GE NOS 1986 (7.8/8.8ma and 7.6/8.2ma) 1-5% matched
