(!!!) (Recommended Pair) 6AU6A RCA used/test like new 1960's (7.8ma and 8.0ma)
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)
6AU6WC Sylvania NOS 1970-1980 (0 in stock)
6AU6WC=6136 GE NOS 1978-1979 (7.7ma)
