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(!!!!!) (Best Pair #1) 12AU7=ECC82 Mullard UK ribbed plates NOS 1974 same date codes (9.2/9.1ma and 9.2/10.2ma) (Rogue, Hovland, Audio Note, Prima Luna) (Same Gm)
(!!!!!) (Best Pair #3) 12AU7=ECC82 Mullard UK ribbed plates NOS 1961-1964 (10/9.6ma and 10.8/10ma) (Rogue, Hovland, Audio Note, Prima Luna) (Close Gm)
(!!!!!) (Best Pair #3) 12AU7=ECC82 Mullard UK ribbed plates NOS 1970-1972 (11/10ma and 9.6/10.2ma) (Rogue, Hovland, Audio Note, Prima Luna) (Same Gm)
(!!!!!) (Best Pair #3) 12AU7=ECC82 Mullard UK ribbed plates NOS 1972-1976 (10.2/12.8ma and 11.2/12ma) (Rogue, Hovland, Audio Note, Prima Luna) (Close Gm)
(!!!) (Best Single #2) 7247=12DW7 Mullard UK rebranded RCA NOS 1969 (1.2ma and 9.2ma) (Copy)
(!!!) (Best Single) 7247=12DW7 Mullard UK rebranded RCA NOS 1972 (1.6ma and 14.5ma)
