(!!!!!) (2nd Best Pair 1960's) 12AU7 Mullard UK NOS 1965-1966 same build (10.2/12.4ma and 10.6/12.0ma) (Rogue, Hovland, Audio Note)
(!!!!!) (Best Overall Pair 1965) 12AU7=ECC82 Mullard UK NOS branded Philips 1965 (10/10.3ma and 9.8/10.0ma) (same Gm) (Rogue, Hovland, Audio Note)
(!!!) (2nd Best Mullard Single) 7247=12DW7 Hammond Mullard ribbed plates like new 1964 (1.0ma and 11.8ma)
(!!) (BEST VALUE) GZ34 Mullard rebranded Sylvania used/like new 1969 (58/40 and 60/40)
7591 Fisher Westinghouse used/good/75% 1963 (43.5ma, Gm=7450)
7591 Westinghouse branded RCA NOS 1963 (51.5ma, Gm=9050)
