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(!!!!!) (Best Single #3) ECC83=12AX7 Telefunken Germany ribbed plates used/tests like new 1953-1955 (1.3/1.1ma and Gm=1700/1600) 1-5% section balance
(!!!!) (Best Pair #1) 12AU7=ECC82 Mullard UK shield logo NOS 1962-1963 (Gf1 series) (9.2/10.2ma and 9.4/9.8ma) (smooth rich sound)
(!!!!) (Best Pair #1) 448A Western Electric tipped top used/test like new 1965 (27.2ma and 27.3ma) 1-2% matched
(!!!!) (Best Pair #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1964-1967 1-2% matched (10.4/1.6ma and 10.2/10.4ma) (same Gm) (best sound)
(!!!!) (Best Pair 1955) CV378=GZ37 Mullard UK "D" getter NOS 1955 no printing (56-56/40 and 57-57/40)
(!!!!) (Best Pair 1963) JG-5751 GE double mica gray plates NOS 1963 (2.0/2.2ma and 2.0/2.1ma)
(!!!!) (Best Pair) ECL86=6GW8 Siemens Germany NOS 1968-1969 (1.1/1.2ma and 41/46ma)
(!!!!) (Best Single #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (11.0ma and 10.6ma) (Same Gm)
(!!!!) (Best Single #2) 12AU7=ECC82 Mullard UK shield logo NOS 1965 (11.2/12.6ma) (smooth rich sound)
(!!!!) (Best Single #2) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1960 good printing (10.4ma and 11.0ma) (close Gm) (oldest single)
(!!!!) (Best Single #2) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1964 good printing (11.0ma and 11.7ma)
(!!!!) (Best Single #2) ECC803S=12AX7 Telefunken Qualitex Ulm Germany <> bottom like new 1964 (1.3/1.5ma and Gm=1600/1800)
(!!!!) (Best Single #3) EC92=6AB4 Telefunken Germany <> bottom NOS 1965 (8.2ma) (mic)
(!!!!) (Best Single #3) EF804S Telefunken Germany <> bottom NOS 1965 (2.9ma) (V72 / V76 preamp)
(!!!!) (Best Single #4) EC92=6AB4 Telefunken Germany <> bottom NOS 1969 (8ma) (mic)
(!!!!) (Best Single) USN-CHS-6922 Sylvania gold pins NOS 1965 (12/16.6ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (7.4ma and 7.2ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (8.2ma and 7.6ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (8.8ma and 9.2ma) (same Gm)
(!!!!) (Best Value Pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1964-1965 (7.3ma and 7.0ma) (same Gm) (mic)