(!!!!!) (Best Overall Single) 6SC7GTY Tungsol NOS black round plates NOS 1950 era - small chip out of base (2.1ma and 2.2ma)
(!!!!!) (Best Pair) 6V6GTA Sylvania coated glass NOS 1950's (50ma and 53ma)
(!!!!!) (Best Sylvania Pair) 6V6GT Sylvania green leaf coated glass NOS 1940's in white boxes (41ma and 44ma) (Same Gm)
(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)
(!!!!) (Best Overall Pair) 6L6G RCA black plate coated glass used/test like new 1944 (69.5ma and 71.2ma) (close Gm)
(!!!!) (Best Overall Pair) 6L6G=VT-115A RCA black plate coated glass NOS mid-1940's (81ma and 82.8ma) (rare) (same Gm)
(!!!!) (Best Pair) GB-6005 Sylvania Gold Brand Gold Pins NOS coated glass 1960's (47ma and 48ma) (best sound)
(!!!!) (Best Value Pair) 6V6GT Sylvania green leaf coated glass NOS/80% 1940's in white boxes (32.5ma and 33ma)
(!!!!) (Best Value Single) 6V6G Haltron UK coated glass NOS 1940's (48.5ma)
(!!!!) (Recommended Pair) 6V6GT RCA black plate coated glass like new 1940's and NOS 1954 (49ma and 46ma)
(!!!!) (Recommended Pair) 6V6GT Sylvania green leaf coated glass NOS 1940's in white boxes (35ma and 37ma)
(!!!!) (Recommended Pair) CV1067=6J5G GEC (M-O Valve) UK coated glass NOS 1950's (7.2ma and 7.2ma) 1-2% matched
(!!!!) (Recommended RCA Single) 6V6G RCA branded Haltron coated glass NOS 1940's (42ma)
(!!!!) (Recommended Single) 6V6G Sylvania branded Haltron coated glass NOS 1940's (50ma)
(!!!!) (Recommended Single) VT-231=6SN7GT RCA used/very good gray coated glass copper grid posts 1940's (8.4/8.2ma) 1-2% section balance
(!!!) (BEST PAIR) 6A3 Tungsol coated glass NOS 1940's (64ma and 65ma)
(!!!) (BEST SINGLE) JAN-CRP-6F8G=VT-99 Raytheon parallel black plates 1944 (8ma and 8ma)
(!!!) (Best Sylvania Pair) 6B4G Sylvania NOS 1940's same build (92ma and 95ma)
(!!!) (Recommended Pair) 6DJ8 GE NOS 1964-1965 (smooth and warm)
(!!!) (Recommended Pair) 6DJ8 GE NOS coated glass 1975-1978 (19.8/19.2ma and 17/19.8ma) (smooth and warm)
