(!!!!!) (2ND BEST PAIR) 12AU7=ECC82 Telefunken Germany smooth plates NOS 1961-1965 1-5% matched (10.5/12.0ma and 12.2/10.2ma)
(!!!!!) (Best Holland Pair 1967-1968) 12AX7=ECC83 Philips and Philips Miniwatt Holland ribbed plates "O" getter halo NOS 1967-1968 (1.3/1.5ma and 1.4/1.6ma) (close Gm)
(!!!!!) (BEST OVERALL PAIR) 12AU7=ECC82 Telefunken Germany smooth plates NOS 1963 1-5% matched (9.4/9.4ma and 9.5/9.0ma)
(!!!!!) (Best Overall Single) ECC82=12AU7 Telefunken Diamond Bottom <> smooth plates NOS 1965 (10.2/10.2ma) 1-2% section balance
(!!!!!) (Best Overall Single) ECC82=12AU7 Telefunken Diamond Bottom <> smooth plates NOS 1970 (14.4/14.2ma) (Highest mA and Gm)
(!!!!!) (Best Pair 1959) 6DJ8=ECC88 Philips Miniwatt Holland large "O" getter halo NOS 1959 etched section on each tube (18.6/15.4ma and 16.4/15.8ma)
(!!!!!) (Best Pair) 5751 GE "5 STAR" NOS gray plates 1965-1975 (2.4/2.4ma and 2.3/2.2ma)
(!!!!!) (Best Pair) 6DJ8=ECC88 Philips Miniwatt Holland "o" getter halo NOS 1963-1964 (19.6/18.0ma and 17.0/20.0ma)
(!!!!!) (Best Pair) 6DJ8=ECC88 Philips Miniwatt Holland "o" getter halo NOS 1963-1964 (20.2/19.2ma and 22.2/20.0ma)
(!!!!!) (Best Pair) 6SN7GTB Tungsol NOS 1960 era (9.2/8.8ma and 8.4/9.4ma) (smooth and detailed - good bass)
(!!!!!) (Best Pair) GZ34 Mullard UK NOS 1975 (58-58/40 and 58-58/40) 1% matched
(!!!!!) (Best Pair) JG-5751WA GE black plate triple mica U getter like new 1958 (2.3/2.3ma and 2.4/2.3ma)
(!!!!!) (Best Pair) JG-5751WA GE gray plates triple mica U getter like new 1955 (2.3/2.1ma and 2.2/2.1ma)
(!!!!!) (Best Single) 6DJ8=ECC88 Philips Miniwatt Holland "O" getter 1965 (21/23ma) (Highest mA and Gm)
(!!!!!) (Holland Single) 12AU7 Pope Holland NOS 1971 dimpled disc halo (12/13.4ma)
(!!!!!) (Recommended Pair) 12AU7A RCA clear tops NOS 1960 (13/10ma and 11/11.5ma)
(!!!!!) (Recommended Pair) 12BH7A GE gray oval plates NOS 1965 (11/15.5ma and 13.6/11.6ma)
(!!!!!) (Recommended Pair) 6L6GC RCA Black Plate used/good 1962-1964 (59.5ma and 60.8ma)
(!!!!) (Best Overall Pair) ECC82=12AU7 Telefunken Germany <> Bottom smooth plates NOS 1961-1965 very good printing (9.8/10.9ma and 9.8/10.4ma) 1-5% matched
(!!!!) (Best Overall Single) 12BH7A Westinghouse gray ribbed plates NOS 1967 (10.6/10.8ma) (Same Gm) (similar to RCA)
