(!!!!!) (2nd Best Pair) ECC803S=12AX7 Telefunken Ulm Germany <> bottom NOS 1961 (1.2/1.3ma and 1.2/1.4ma) 1-2% matched (Nagra, Lamm, VTL, Aesthetix, Diva)
(!!!!!) (2nd Best Phono Pair) ECC83=12AX7 Siemens Halske Germany branded SONOTONE NOS 1962 (1.1/1.1ma and 1.1/1.3ma) 1-2% matched (Aesthetix, EAR, Lamm, VTL, Jadis, Nagra)
(!!!!!) (2nd Best Single 1958) 12AX7=ECC83 Mullard UK "long plates" NOS 1958 (1.3/1.4ma) (f91 series)
(!!!!!) (Best Audio Pair) PCC88=7DJ8 Philips Holland NOS 1970 (12.2/12.5ma and 12.6/13.5ma) (Similar sound to 6DJ8 Holland)
(!!!!!) (Best Holland Pair) 12AX7=ECC83 Philips Miniwatt Holland like new "O" getter halo 1961 (1.4/1.6ma and 1.4/1.5ma) (Highest mA and Gm) 1-2% matched
(!!!!!) (Best Mullard Pair) 12AX7=ECC83 Mullard UK ribbed plates NOS 1970-1974 (1.2/1.3ma and 1.2/1.1ma) (same Gm)
(!!!!!) (BEST OVERALL PAIR) 5U4GB RCA NOS 1966-1970 era (58-60/40 and 60-62/40)
(!!!!!) (Best Overall Pair) 7N7 Sylvania chrome top NOS 1956-1957 1-3% matched (8/9ma and 8.6/8.4ma) (best 6SN7 sub using adapter sockets)
(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (best sound)
(!!!!!) (Best Overall Pair) EF86 Telefunken Germany <> bottom gray shield 1972 NOS in white boxes (3.2/3.2ma) 1% matched
(!!!!!) (Best Overall Single 1957) 12AX7=ECC83 Mullard UK "long plates" NOS 1957 (1.3/1.3ma) 1% section balance (mC1 series)
(!!!!!) (Best Overall Single 1958) 12AX7=ECC83 Mullard UK "long plates" NOS 1958 (1.2/1.2ma) 1% section balance
(!!!!!) (Best Overall Single) ECC83=12AX7 Telefunken Germany smooth plates NOS 1965 (1.3/1.5ma and Gm=1800/2000) (Highest mA and Gm)
(!!!!!) (BEST Overall Value) 5Y3GT Philips Holland NOS 1960's (12 in stock) (Fender, Supro, Victoria, Decware) (Best Sound for the money)
(!!!!!) (BEST PAIR #2) 5U4G TUNGSOL NOS 1955 (57-59/40 and 55-58/40) (rare)
(!!!!!) (Best Pair 1960) 5814A GE "5 STAR" triple mica "O" getter halo 1960 (10.4/10.6ma and 10.6/10.8ma) (best 12AU7 SUB) 1-2% matched
(!!!!!) (Best Pair) 12BH7A GE ribbed plates NOS 1967-1980 (11.0/10.8ma and 13/11ma)
(!!!!!) (Best Pair) 5751 GE "5 STAR" NOS gray plates 1965-1975 (2.4/2.4ma and 2.3/2.2ma)
(!!!!!) (Best Pair) 5751 Tungsol tall gray ribbed plates "U" getter NOS 1960 era (2.4/2.4ma and 2.3/2.1ma)
(!!!!!) (Best Pair) 5U4GB CBS NOS 1950's double "D" getters (59-59/40 and 58-60/40)