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(!!!!!) (Best Single) EL34 Mullard UK branded Siemens XF3 single halo "O" NOS 1973 (78ma)
(!!!!!) (Best Value Single) EL34 Mullard UK branded Pinnacle XF2 double halo "O-O" NOS 1965 (67ma)
(!!!!) (Best Pair #1) ECL82=6BM8 Mullard UK branded Mazda NOS 1970's (2.2/34ma and 2.0/33ma) 1-3% matched
(!!!!) (BEST PAIR #1) EL84 Siemens Halske Germany NOS 1977 (46.5ma and 46ma)
(!!!!) (Best Pair 1955) CV378=GZ37 Mullard UK "D" getter NOS 1955 no printing (56-56/40 and 57-57/40)
(!!!!) (Best Pair) 5751 RCA black plates NOS 1976 (2.5/3.1ma and 2.5/2.8ma) (Best Audio Grade 5751)
(!!!!) (Best Siemens Pair) EL84 Siemens Halske Germany used/test like new 1971 (48.2ma and 48.5ma) (High Gm)
(!!!!) (Best Single 1965) CV491=12AU7=ECC82 Mullard UK NOS ribbed plates 1965 (12.5/11.8ma) (High Gm)
(!!!!) (Best Single 1966) 12AX7 Philips Holland NOS 1966 (Gm=1700/2100 and 1.2/1.7ma)
(!!!!) (Best Single) E88CC=6922 Telefunken Germany <> bottom NOS 1962 (16.4/17.5ma) (mic grade)
(!!!!) (Best Sylvania Pair) 6BQ5 Sylvania black plate NOS 1970's (56.0ma and 58.0ma)
(!!!!) (Best Value 1960) 12AX7 Philips Miniwatt Holland low hours/tests like new 1960 (Gm=1600/1600 and 1.0/1.3ma)
(!!!!) (Best Value Single) 12AU7=ECC82 Philips by Mullard UK ribbed plates used/good 1969 (8.2/8.2ma) 1% section balance
(!!!!) (Best Value Single) 6550 Tungsol branded Sylvania smooth gray plate used/tests like new 1960 era (138ma)
(!!!!) (Recomended Single) 336A Western Electric NOS 1967 (34ma)
(!!!!) (Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 low hours/like new (2.2/2.0ma)
(!!!!) (Single) E83CC=12AX7 Siemens Halske Germany NOS 1976 (0.7/0.9ma and Gm=1400/1600)
(!!!!) (Slightly microhonic Single) 5751 RCA Hewlett Packard black plates NOS 1968 (2.4/2.6ma)
(!!!) (Best Overall Pair #2) 5687WB GE branded CK5687WB Raytheon black plates NOS 1970's (Audio Note, Manley, Modwright) (39/38.6ma and 38/37ma)
(!!!) (Best Pair #1) EL84 Siemens Halske Germany NOS 1967-1968 (48.5ma and 49ma) 1-3% matched