(!!!!) (Best Single) 6C10 RCA branded Westinghouse NOS 1971 (Ampeg / Fender) (1.4ma/2.0ma/1.5ma) (Strongest Single)
(!!!!) (Best Single) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1952 (8.8/7.8ma)
(!!!!) (Best Single) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1952 (9.3/11ma)
(!!!!) (BEST SINGLE) 7581A GE tan base green printing 1960 era (73.5ma)
(!!!!) (Best Single) JAN-5687WA Sylvania NOS 1967 (38/39ma) (Highest Ma and Gm)
(!!!!) (Best Single) JAN-5687WB GE NOS 1972 (34.6/35.6ma)
(!!!!) (Best Single) JG-5670 GE NOS "D" getter triple mica 1960 (9.2/9.0ma) (sonically the same sound as 5 Star GE)
(!!!!) (Best Single) USAF-5751 Sylvania NOS black plates triple mica D getter halo 1960 (1.9/1.8ma) (Same Gm)
(!!!!) (Best Sylvania Pair) 6BQ5 Sylvania black plate NOS 1970's (56.0ma and 58.0ma)
(!!!!) (Best Value Pair) 6SN7GTA GE "U" getter halo - side getter - copper grid posts NOS 1953-1954 (6.6/6.0ma and 6.0/6.8ma)
(!!!!) (Best Value Pair) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1953 (6.4/7.0ma and 7.0/6.4ma) 1-2% matched
(!!!!) (Best Value Pair) 6SN7GTB GE NOS 1973-1976 (6.5/7.6ma and 6.5/6.8ma) (Schiit Freya, Rogue)
(!!!!) (Best Value Pair) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 used/test like new (2.1/2.0ma and 2.1/2.1ma) 1-2% matched (Same Gm)
(!!!!) (Best Value Pair) JAN-12AT7WC Sylvania black plates NOS 1980 (8.6/7.6ma and 9.0/7.5ma)
(!!!!) (Best Value Quad) EZ81=6CA4 RFT East Germany (Funkwerk) NOS 1970's (1 quad)
(!!!!) (Best Value Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 used/good (2.0/2.1ma)
(!!!!) (Factory Matched Pair) 8417-P Sylvania NOS same build 1960's (84ma and 85.5ma)
(!!!!) (Factory Matched Pair) 8417-P Sylvania NOS same build 1960's (92ma and 92.5ma)
(!!!!) (Good Value Pair) 12BH7A GE NOS gray oval plates "o" getter halo 1961-1965 (7.2/6.6ma and 8.4/6.8ma)
(!!!!) (Good Value Pair) 12SN7GTA GE coin-base side getter NOS 1981 (7.4/7.4ma and 7.2/8.0ma) 1-5% matched
