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(!!!!!) (Best Mullard Pair #1) 12AX7=ECC83 Mullard UK ribbed plates NOS 1966 same date codes (1.4/1.1ma and 1.3/1.2ma) 1-2% matched
(!!!!!) (Best Mullard Pair #2) 12AX7=ECC83 Mullard UK ribbed plates NOS 1969 same date codes (1.4/1.1ma and 1.3/1.2ma) 1-5% matched
(!!!!!) (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) 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 #4) EC92=6AB4 Telefunken Germany <> bottom NOS 1969 (8ma) (mic)
(!!!!) (Best Single) 12BH7A Tungsol black plates "O" getter halo 1960 era (13.2/13.5ma)
(!!!!) (Best Single) EF804S Telefunken Germany <> bottom NOS 1965 (2.9ma) (V72 / V76 preamp)
(!!!!) (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)
