(!) (Best Single) 6AQ5A Sylvania black plate NOS 1970 era (57ma) US$ 17.99 Min. order: 1 piece ★★★★★ 4.7 (129 reviews) Sold : Login>>
(!!!) (Recommended Single) JHS-6005 Sylvania NOS coated glass 1966 (51.5ma) US$ 17.99 Min. order: 1 piece ★★★★★ 4.3 (155 reviews) Sold : Login>>
(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (13/9.0ma and 12.8/8.8ma) (1-2% matched) (best sound) US$ 139.99 Min. order: 1 piece ★★★★★ 4.2 (193 reviews) Sold : Login>>
(!) (BEST PAIR) 6663=6AL5 GE NOS 1963-1964 (47-47/40 and 47-48/40) US$ 11.99 Min. order: 1 piece ★★★★★ 4.3 (42 reviews) Sold : Login>>
(!!!!) (Best GE Single #1) 6U8A GE NOS 1980 (18.4/10.6ma) US$ 18.99 Min. order: 1 piece ★★★★★ 4.6 (157 reviews) Sold : Login>>
(!) (Best Pair #2) 5726=6AL5W Raytheon NOS 1960's (48-48/40 and 48-48/40) US$ 11.99 Min. order: 1 piece ★★★★★ 4.1 (157 reviews) Sold : Login>>