(!!!) (Best Single 1962) JHS-12AX7 Sylvania NOS 1962 (Gm=2600/2500 and 1.8/1.9ma)
(!!!) (BEST SINGLE 1964) AFLC-12AX7WA Sylvania NOS 1964 (Gm=1900/1900)
(!!!) (Best Single 1965) JHS-12AX7WA Sylvania NOS 1965 (1.3/1.5ma and Gm=1700/1800)
(!!!) (Best Single) 12AX7A Sylvania NOS 1960's (Gm=2600/2400)
(!!!) (Best Single) 12AX7A Sylvania NOS 1970's (Gm=2800/2900)
(!!!) (Best Single) 5751 GE 5 Star NOS 1974 (2.9/2.8ma) 1-2% section balance
(!!!) (Best Single) 5751 GE 5 Star NOS 1975 (2.4/2.4ma) 1% section balance
(!!!) (Best Single) 5751 Sylvania NOS 1970's (2.4/2.4ma) 1% section balance
(!!!) (Best Single) 5V4GA RCA black plates NOS 1958 slightly tilted glass (62/40 and 62/40)
(!!!) (Best Single) 5V4GA RCA gray plates NOS 1966 (58/40 and 58/40)
(!!!) (Best Single) 6V6G GEC UK branded Haltron NOS coated glass NOS 1940's (49ma)
(!!!) (Best Single) 7025 Sylvania NOS 1970's (Gm=2200/2300 and 1.4/1.5ma)
(!!!) (Best Single) 76 Sylvania Philco engraved base NOS 1930's (6.2ma)
(!!!) (Best Single) 8417 Sylvania NOS (111ma)
(!!!) (Best Single) 8417 Sylvania NOS (121ma)
(!!!) (Best Single) JHS-5670 Sylvania NOS 1966 (12/10ma)
(!!!) (Best Sounding Pair) 80 Sylvania Philco NOS 1950 (52-57/40 and 53-58/40)
(!!!) (Best Sounding Pair) 80 Sylvania Philco NOS 1950 (54-57/40 and 56-58/40)
(!!!) (Best Sylvania 1955) 12AX7 Sylvania pinched black plates "square" getter halo NOS 1955 (Gm=1500/1700, 1.0/1.1ma)
(!!!) (Best Sylvania Pair) 5879 Sylvania NOS 1960's - 1970's (1.6ma and 1.6ma) 1-2% matched
