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(!!!!!) (Best Pair #2) 12AX7=ECC83 Philips Holland NOS 1966 and 1971 (1.8/1.7ma and 1.6/1.8ma) (Highest mA and Gm)
(!!!!!) (Best Single 1971) GZ34 Philips by Mullard Blackburn UK NOS 1971 (58/40 and 58/40)
(!!!!!) (Nice Single) ECC82=12AU7 Telefunken Germany <> bottom ribbed plates used/good 1957 (8.5/8.2ma) (strong Gm)
(!!!!) (Best Pair 1963) JG-5751 GE double mica gray plates NOS 1963 (2.0/2.2ma and 2.0/2.1ma)
(!!!!) (Best RCA Pair) 5V4GA RCA gray plates NOS 1968-1972 (58-58/40 and 59-59/40)
(!!!!) (BEST SINGLE 1970) GZ34 Mullard Blackburn UK NOS branded RCA 1970 (60/40 and 60/40)
(!!!!) (Best Value Pair) 6SN7GTB GE NOS 1960-1965 (5.6/5.6ma and 6.1/6.8ma) (close Gm) (Schiit Freya, Rogue)
(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded Pope Holland "D" getter used/strong 1963 (56/40 and 57/40)
(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded VALVO like new 1964 (57/40 and 58/40)
(!!!!) (Best Value) 7308 Sylvania branded RCA NOS 1973 (13.2/17.2ma)
(!!!!) (Good Value Single) 6SN7GTB Westinghouse USA black plates "D" getter halo like new 1960 (6.8/7ma)
(!!!!) (Recommended Single) 12AY7 GE NOS 1960's (2.2/2.5ma)
(!!!!) (Single) E88CC=6922 Mullard Holland SQ used/good 1965 (10.2/9.5ma) (3D MIDS) (Good Gm)
(!!!!) (Single) ECC82=12AU7 Philips Holland NOS 1969 (11.8/11.4ma) (Same Gm) 1-3% section balance
(!!!!) (SINGLE) EL34 Mullard XF2 branded Bugle Boy double halo "O" used/good 1965 some heat stains on plate (70ma)
(!!!) (Best GEC Single) KT66 GEC UK branded IEC Mullard low hours/tests like new 1971 (90.6ma)
(!!!) (Best Overall Single) E90F=6BH6 Philips SQ Holland NOS 1968 (8.4ma)
(!!!) (Best Pair #1) ECL82=6BM8 Mullard UK branded Mazda NOS 1970's (2.1/36ma and 2.0/36.5ma) 1-2% matched
(!!!) (Best Pair #2) ECL82=6BM8 Mullard UK branded Mazda NOS 1970's (2.0/36ma and 2.0/35ma) 1-2% matched
(!!!) (Best Pair #3) ECL82=6BM8 Mullard UK branded Mazda NOS 1970's (2.2/34ma and 2.0/33ma) 1-3% matched
