(!!!!!) (Best Tungsol Pair) 5881 Tungsol 1960-1967 like new and used - same build (66.2ma and 66.5ma)
(!!!!!) (Best Tungsram Single) ECC83=12AX7 Tungsram Hungary NOS 1980 (Gm=1900/1900) (1.2/1.5ma)
(!!!!!) (Best Tungsram Single) ECC83=12AX7A Tungsram Hungary branded RCA NOS 1970's (Gm=2000/2300) (1.7/1.8ma) (Highest mA and Gm)
(!!!!!) (Best Value Pair) 12AU7A RCA NOS 1964-1965 (8.2/11ma and 8.8/10.4ma)
(!!!!!) (Best Value Pair) 12AX7=ECC83 Philips Holland like new 1968 same date codes (1.5/1.7ma and 1.7/1.8ma) (Highest mA and Gm) 1-3% matched
(!!!!!) (Best Value Pair) 211 GE NOS 1942-1943 (108ma and 108.4ma)
(!!!!!) (Best Value Pair) 6021 GE 5 Star Rated NOS "D" getter halo 1957 in GE 5 Star Boxes (1-3% matched) (5.0/7.2ma and 4.8/6.6ma)
(!!!!!) (Best Value Pair) 6BQ7A RCA black plates NOS "D" getter 1958-1959 (7.6/9ma and 7/9.6ma)
(!!!!!) (BEST VALUE PAIR) 6L6GC RCA Black Plate used/good 1970-1975 (66.5ma and 67.5ma) (Gm like new)
(!!!!!) (Best Value Pair) 6SN7GTB GE NOS 1955-1964 same build (6.1/6.5ma and 6.0/6.3ma)
(!!!!!) (Best Value Pair) GL-6072 GE 5 star triple mica black plates "O" getter halo 1962 like new (2.9/3.1ma and 3.1/2.9ma) 1-2% matched (Audio Note, Kondo, mics)
(!!!!!) (Best Value Pair) JAN-211 GE NOS 1942 original boxes (109ma and 110.2ma)
(!!!!!) (Best Value Pair) JAN-5687WA Sylvania black plates used/test like new 1967-1970 era (43.6/47ma and 46.8/44.2ma) (Highest Ma and Gm)
(!!!!!) (Best Value Single) 12AX7=ECC83 Mullard UK like new 1973 (1.8/1.1mA and Gm=2000/1600)
(!!!!!) (Best Value Single) 5Z4G Tungsram UK black plates NOS 1950's smaller getter (56/40 and 56/40) (G9 Audio preamp) (Best sub for Russian 5Ц4С / 5U4C Russian)
(!!!!!) (Best Value Single) CV378=GZ37 Mullard "D" getter NOS 1955 one plate is discolored (57/40 and 57/40) (1st version made with skinny bottle)
(!!!!!) (Best Value Single) EL34 Mullard UK branded Pinnacle XF2 double halo "O-O" NOS 1965 (67ma)
(!!!!!) (Best Value Single) GL-6072 GE 5 star triple mica black plates "O" getter halo 1962 like new faded printing (2.9/3.2ma) (mic, preamp, amp)
(!!!!!) (Best Value Single) JAN-5691 Philips by Sylvania black plates NOS 1985 (2.4/2.6ma) (Best 6SL7GT sub)
(!!!!!) (Best Value) 5U4G RCA used/tests like new "D" getter 1955 guide pin reglued on base (57/40 and 61/40)
