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(!) (Best Single #1) JHY-6AK5 Hytron black plate NOS 1952 (9.2ma)
JHY-6AK5 Hytron black plate NOS 1952 faded printing (6.0ma)
(!!!) (Best PAIR #3) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (12.5/13.4ma and 12.6/13.2ma) 1-3% matched
(!) (Single) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (12.4/11.6ma)
(!) (BEST PAIR #2) 6GY6 RCA NOS 1971 (87/60 and 87/60)
(!) (BEST PAIR #3) 6GY6 RCA NOS 1971 (82/60 and 83/60)
(!!!!!) (Best Pair/Best Price) 12AX7=ECC83 Philips Holland NOS 1966 (1.0/1.1ma and 1.0/1.2ma) 1-3% matched
(!!!!) (Recommended Single 1957) 12AU7A Zenith Sylvania D getter NOS 1957 (13.0/13.2ma)
(!!!) (Best Raytheon Pair #2) CK-5687WB Raytheon black plates NOS 1970's (Audio Note, Manley, Modwright) (36.5/35.0ma and 38.5/35.5ma) 1-3% matched
(!!!) (Best Raytheon Pair #4) CK-5687WB Raytheon black plates NOS 1970's (Audio Note, Manley, Modwright) (31/32ma and 32/31ma) 1-3% matched
(!!!) (Best Raytheon Pair #1) CK-5687WB Raytheon black plates NOS 1970's (Audio Note, Manley, Modwright) (35.0/34.6ma and 34.5/35.0ma) 1-2% matched
(!!) 12AU7A Sylvania NOS 1970 (8.8/9.2ma)
(!!!!) (Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 low hours/like new (2.2/2.0ma)
(!!!) (Recommended Pair) 6AC7=1852=VT-112 RCA used/very good 1940's (8.8/9.3ma)
(!!) (Best Value Pair) JAN-CG-6AC7 GE 1953 test like new (10.4ma/10.6ma)
(!!!!) (Best Pair #2) 6AC7 GE NOS 1980-1982 (10ma/11.2ma)
(!!!!) (Best Pair #4) 6AC7 GE NOS 1979-1982 (8ma/7.8ma)
12AU7A Sylvania Dumont NOS 1960's (10/8.8ma)
(!!!) (7025 Black Plates) 7025=12AX7 RCA long ribbed black plates "D" getter used/good 1958 good printing (Gm=1500/1400) (rare)
(!!!) (Best Single - black plates) 12AX7 RCA Bell and Howell long ribbed black plates "D" getter used/tests like new 1950's faded printing (Gm=1700/1700) 1% section balance
