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(!!!) (Best Overall Pair) 6AU6A GE NOS 1977 (7.6ma and 7.8ma) 1-2% matched (Sony C800G mic)
(!!!) (Best Pair) 6AU6A Channel Master Hitachi Japan NOS D getter 1960 (8.6ma and 9.2ma)
(!!!) (Recommended Pair) 6AU6A RCA used/test like new 1960's (7.8ma and 8.0ma)
(!!!) (Recommended Single) EF94=6AU6 Tungsol used/tests like new 1957 (10ma)
(!!) (Best Pair #1) JHS-6AU6WA Sylvania NOS 1960 (8.3ma and 8.5ma)
(!!) (Best Pair #1) JHS-6AU6WB Sylvania NOS 1963-1968 (7.2ma and 7.2ma) (Sony C800G)
(!!) (Best Pair #2) JHS-6AU6WA Sylvania NOS 1960 (7.5ma and 7.6ma)
(!!) (Best Pair #2) JHS-6AU6WB Sylvania NOS 1964-1968 (6.4ma and 6.6ma)
(!!) (Best Pair) 6AU6A GE NOS 1977 (6.3ma and 6.3ma) (Sony C800G)
(!!) (Best Pair) 6AU6A GE NOS 1977 (6.4ma and 6.4ma) (Sony C800G)
(!) (2nd Best Pair) JHS-6AU6WB Sylvania NOS 1963-1964 (6.0ma and 6.5ma)
(BEST VALUE) 6136=6AU6WB GE black plate 1960's branded National NOS (6.6ma)
6136=6AU6WB GE 5 star black plate NOS 1956 (6.6ma)
6AU6 and 6AU6A Mixed Brands (USA / Canada / Japan) used/test good (10 tubes for $39.99)
6AU6 RCA Fisher like new 1959 (9.3ma)
6AU6WB Sylvania JAN NOS 1969 (8.1ma)
6AU6WB Sylvania NOS 1968 (6.4ma)
6AU6WB=6136 Sylvania branded Westinghouse NOS 1974 (7.2ma)
6AU6WC Sylvania NOS 1970-1980 (0 in stock)
6AU6WC=6136 GE NOS 1978-1979 (7.7ma)
