(!!!!!) (BEST GE PAIR 1960's) JG-5751 GE double mica gray plates NOS 1965-1966 (2.0/2.2ma and 2.0/2.2ma) 1-2% matched pair
(!!!!!) (BEST GE QUAD) 6SN7GTB GE rebranded Raytheon NOS 1970 era (closely matched)
(!!!!!) (Best Overall Pair) 12AX7 GE NOS 1972 (1.4/1.6ma and 1.5/1.5ma) (Matchless, Fender, Tow-Rock, Dumble, VOX, Supro)
(!!!!!) (Best Overall Pair) 12AY7 Tungsol pinched plates like RCA "O" getter NOS 1960 era (2.6/2.8ma and 2.7/3.1ma)
(!!!!!) (Best Overall Single) 7199 RCA black plates NOS 1959 (13.5ma pentode / 9.2ma triode) (rare from 1959) (Highest Gm)
(!!!!!) (Best Overall Single) 7199 RCA black plates NOS 1960's (14.2ma pentode / 9.6ma triode) (Highest Gm)
(!!!!!) (Best Overall Single) JG-6072 GE NOS triple mica black plates "O" getter halo 1960 (2.7/2.7ma) 1% section balance (same sound as 5 Star series)(Korby, AKG, Peluso, Soundelux, Pearlman)
(!!!!!) (Best Overall Telefunken Pair) 12AX7=ECC83 Telefunken <> bottom smooth plates used/like new 1964 (Gm=1600/1800 and 1600/1700) (1.1/1.4ma and 1.0/1.2ma)
(!!!!!) (Best Pair) 12AX7=ECC83 GE NOS 1969 (1.0/1.0ma and 1.0/1.1ma) (Matchless, Fender, Tow-Rock, Dumble, VOX, Supro)
(!!!!!) (Best Pair) 12BH7A Westinghouse NOS "U" getter 1963 (8.0/8.8ma and 8.4/8.4ma) (similar to RCA)
(!!!!!) (Best RCA Pair 1968) 12AX7A RCA CMI gray ribbed plates NOS 1968 same date codes (best tone) (1.0/1.0ma and 1.0/1.0ma) 1% matched
(!!!!!) (Best Siemens Pair) ECC83=12AX7 Siemens Halske Germany NOS 1967 1-3% matched (1.0/1.2ma and 1.0/1.0ma)
(!!!!!) (Best Sylvania Quad) 6BQ5 Philips JAN by Sylvania gray plates NOS 1986 (51.5ma, 52ma, 52.5ma, 54.5ma)
(!!!!!) (Best Telefunken pair) EL84 Telefunken Germany <> bottom NOS and like new 1961 and 1963 (55ma and 58ma)
(!!!!!) (Best Value Pair) 6AS7G RCA NOS Gray Plates 1970's (61/70ma and 60/73ma)
