(!!!!!) (BEST 6V6G QUAD) 6V6G Haltron England by GEC (MO VALVE) NOS coated glass 1950 era (40/40.5/40.5/41ma) slight rattle in each base
(!!!!!) (Best Mullard Pair) 6V6G Mullard branded Haltron England NOS gray coated glass NOS 1950 era (43ma and 44ma)
(!!!!!) (Best Overall Pair) JAN-12AT7WC Sylvania black plates NOS 1979 (10.6/12.4ma and 10.8/12.0ma) (Highest Ma and Gm) 1-2% matched
(!!!!!) (Best Overall Pair) JG-5751 GE NOS black plates triple mica "U" getter halo NOS 1956 1-2% matched (2.5/2.5ma and 2.4/2.5ma) (same sound as 5 Star black plate)
(!!!!!) (Best Overall Pair) JHS-5751 Sylvania black plates triple mica D getter halo 1959 (2.2/2.3ma and 2.2/2.5ma) 1-3% matched
(!!!!!) (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 Pair from 1952) GL-5751 GE black plates triple mica "D" getter halo NOS 1952 1-2% matched (2.2/2.4ma and 2.3/2.3ma) (oldest 5751 pair - 1st series of GE)
(!!!!!) (Best Pair) 6V6GT National Union coated glass NOS 1950 (47.5ma and 49.4ma)
(!!!!!) (Best Pair) JHS-5751 Sylvania black plates triple mica D getter halo 1954-1955 (2.8/2.9ma and 2.9/3.1ma) 1-5% matched
(!!!!!) (BEST PRICE) 6080WC GE JAN NOS 1988 (matched quad)
(!!!!!) (Best Sylvania Quad) 6BQ5 Philips JAN by Sylvania gray plates NOS 1986 (51.5ma, 52ma, 52.5ma, 54.5ma)
(!!!!!) (Best Value Pair) JAN-6SL7WGT Sylvania brown base black plates NOS 1969 (2.0/2.3ma and 2.4/2.4ma)
(!!!!!) (Recommended 5 Star Single) 5751 GE "5 Star" gray plates triple mica "U" getter 1956 (2.1/2.2ma)