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The best sounding audio tubes money can buy (new items listed daily)
(!!!!) (Best Pair #2) 6V6GTA GE NOS 1969 same date codes (48.5ma and 52.5ma) (Highest mA and Gm) (Close Gm)
(!!!!) (Best Pair #3) 6V6GTA GE NOS 1970 era (40ma and 41.5ma)
(!!) (Best Japanese pair) 12BH7A TRIAD and RSD by Hitachi Japan NOS 1960's (9.8/10.4ma and 9/10.3ma) (McIntosh, Quicksilver, Art Audio, Wells)