(!!!!!) (Best Sylvania Pair) 6DJ8 Sylvania NOS 1960's (15.2/21ma and 15/18.5ma) (good detail and smooth)
(!!!!!) (Best Sylvania Pair) 6V6GT Sylvania green leaf coated glass NOS 1940's in white boxes (41ma and 44ma) (Same Gm)
(!!!!!) (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) 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 1964-1965 same build (6.4/7.0ma and 6.6/7.6ma)
(!!!!!) (Best Value Pair) 6SN7GTB RCA NOS and like new 1965 (8.2/10.2ma and 8.2/9.2ma) (same Gm) (warm and smooth)
(!!!!!) (BEST VALUE QUAD) JAN-6550A GE NOS 1985-1986 (125ma, 126ma, 126.6ma, 127.5ma) (close Gm)
(!!!!!) (Best Value Single) 45 RCA NOS 1940's (42ma)
(!!!!!) (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) JAN-5691 Philips by Sylvania black plates NOS 1985 (2.4/2.6ma) (Best 6SL7GT sub)
(!!!!!) (Best Value) 45 Tungsol used/good 1940's (27ma)
(!!!!!) (Best Value) 5U4G RCA used/good "D" getter 1951 (48/40 and 52/40)
(!!!!!) (Best Value) 5U4G Zenith by Tungsol low hours/tests like new "D" getter 1950 (53/40 and 57/40)
(!!!!!) (Best XF3 Pair) EL34 Mullard Philips XF3 NOS 1974-1975 (88ma and 90ma)
(!!!!!) (Good Value Pair - for Audio Aero) 6021=CV3986 Mullard UK Mitcham NOS 1969 (4.4/4.6ma and 4.5/4.8ma) (1-3% matched)
