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(!!!!!) (Best Pair 1974) 12AU7 Mullard Philips UK NOS 1974 (10.4/9.4ma and 10.0/9.8ma) (Rogue, Hovland, Audio Note) 1-3% matched
(!!!!!) (Best Value Mullard Pair) 12AU7=ECC82 Philips Mullard UK NOS 1966-1974 same build (10.6/10.3ma and 11.7/10.4ma) (close Gm matching) (Rogue, Hovland, Audio Note)
(!!!!) (Best Overall Pair 1964) 12AU7=ECC82 Mullard BVA UK ribbed plates shield logo NOS 1964-1965 (13.3/12ma and 12.6/11.5ma) (Rogue, Hovland, Audio Note) (Highest mA and Gm)
(!!!!) (Best Pair 1974) 12AU7=ECC82 Mullard UK branded Philips ribbed plates NOS 1974 (9.8/9.4ma and 9.5/10.5ma) (Rogue, Hovland, Audio Note) (Best Pair)
(!!!!) (Best Value Single) 12AU7=ECC82 Philips by Mullard UK ribbed plates used/good 1969 (8.2/8.2ma) 1% section balance
(!!!) (Single) 12AU7=ECC82 Mullard BVA UK ribbed plates used/good 1970 Mitcham plant (8.4/8.2ma) (sweet sound)
12AT6 Various Brands NOS (4 in stock)
6AN8A GE Great Britain made in Japan NOS 1976 (13/19ma)