(!!!!!) (Best Overall Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (7.1ma and 7.1ma) 1-2% matched
(!!!!) (2nd Best Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.8ma and 6.9ma) (Same Gm)
(!!!!) (3rd Best Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.5ma and 6.5ma) 1% matched
(!!!!) (Best Overall Single) GB-5963=12AU7 Sylvania Gold Brand Gold Pins NOS 1960's (11.2/13.6ma)
(!!!!) (Best Pair) GB-6005 Sylvania Gold Brand Gold Pins NOS coated glass 1960's (47ma and 48ma) (best sound)
(!!!!) (Recommended Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.3ma and 6.3ma) 1% matched
(!!!) (3rd Best Pair) 5965 Sylvania NOS 1960's (17.4.0/16.0ma and 17.4/16.8ma) (Berning, Conrad Johnson, Loth, Exemplar)
(!!!) (Best Pair #2) 5965 Sylvania NOS 1960's (16.6/18.2ma and 18.2/16.8ma) (Berning, Conrad Johnson, Loth, Exemplar)
(!!!) (Best Pair) 5965 Sylvania NOS 1960's (17.0/18.2ma and 17.0/16.6ma) (Berning, Conrad Johnson, Loth, Exemplar)
(!!!) (Best Pair) 5965 Sylvania NOS 1960's (19.2/18.8ma and 19.6/18.0ma) (Berning, Conrad Johnson, Loth, Exemplar)
(!!!) (Best Pair) GB-5931 Sylvania Gold Brand brown base NOS 1960's (Premium 5U4GB) (59-59/40 and 59-60/40)
(!!!) (PAIR) 6136=6AU6 GE 5-Star NOS 1971 (5.5ma and 5.6ma)
(!!!) (PAIR) 6350 Sylvania black plates "D" getter NOS 1950's (11/9ma and 11.4/9.2ma)
(!!!) (Recommended Pair) WL-5965 Westinghouse NOS 1965 (12/14.2ma and 12/13.2ma)
(!!!) (Recommended Single) GB-6350 Sylvania Gold Brand black plates NOS 1962 square "D" getter (10.2/10.8ma)
(!!) (BEST PAIR) 6AS6 Mullard BVA UK NOS 1974-1975 (6.1ma and 6.2ma)
(!!) (BEST PAIR) 6AS6 RCA gray plate NOS 1972-1974 (6.1ma and 6.5ma)
(!!) (Best Pair) GB-5726=6AL5 Sylvania Gold Brand Gold Pins NOS 1960's (49-49/40 and 49-49/40)
(!!) (Best Pair) GB-5726=6AL5 Sylvania Gold Brand Gold Pins NOS 1960's (49-50/40 and 50-50/40)
(!!) (Best Single) 12AU7WA=6189 Sylvania NOS 1960's (10/10ma)
