(!!!!) (2nd Best Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.8ma and 7.0ma) (Same Gm)
(!!!!) (3rd Best Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.3ma and 6.5ma) (Same Gm)
(!!!!) (Best Overall Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (7.3ma and 7.3ma) 1-2% matched
(!!!) (Recommended Pair) 6AU6A RCA used/test like new 1960's (7.8ma and 8.0ma)
(!!!) (Recommended Single) EF94=6AU6 Mullard England NOS 1963 (6.5ma)
(!!!) (Recommended Single) EF94=6AU6 Tungsol used/tests like new 1957 (10ma)
(!!) 6136=6AU6 GE 5-Star NOS 1956 (6.2ma)
(!) (2nd Best Pair) JAN-6AU6WB Sylvania NOS 1969 (6.5ma and 6.5ma) 1-2% matched
(!) (Best Pair) JAN-6AU6WB Sylvania NOS 1969 (7.2ma and 7.2ma) 1% matched
6136=6AU6WB GE black plate 1960's branded National NOS (6.6ma)
6136=6AU6WB GE black plate NOS 1960's (6.7ma)
6AU6 and 6AU6A Mixed Brands (USA / Canada / Japan) used/test good (10 tubes for $19.99)
6AU6 RCA Fisher like new 1959 (9.3ma)
6AU6A Tungsol NOS 1960 era (8.3ma)
6AU6A Tungsol NOS 1960 era (8.4ma)
6AU6WA Sylvania NOS 1958 (7.7ma)
6AU6WB Sylvania NOS 1968 (7.2ma)
6AU6WC Sylvania NOS 1970-1980 (0 in stock)
6AU6WC=6136 GE NOS 1978-1979 (7.7ma)
7543 US Brands NOS (0 in stock)