(!!!!!) (Best Overall Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (10.6ma and 10.3ma) 1-3% matched
(!!!!!) (Best Quad #1) 6J5GT Sylvania lightning logo NOS 1945-1946 (8.0/8.0/8.0/8.2ma)
(!!!!!) (Best Quad #3) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.2/7.3/7.3/7.4ma)
(!!!!!) (Best Quad #4) 6J5GT Sylvania lightning logo NOS 1945-1946 (6.8/7.0/7.0/7.0ma)
(!!!!!) (Recommended Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (8.0ma and 8.4ma)
(!!!!) (Best KR Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (9.8ma and 9.4ma)
(!!!!) (Best Pair #1) 6J5GT Ken Rad black ribbed plates NOS 1942 (10.8ma and 11.2ma)
(!!!!) (Best Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.8ma and 7.7ma)
(!!!!) (Best Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (8.8ma and 8.6ma) (same Gm)
(!!!!) (Best Quad #2) 6J5GT Sylvania lightning logo NOS 1945-1946 (8.2/8.0/8.0/8.2ma)
(!!!!) (Best RCA Pair) VT-229=6SL7GT RCA round black plates NOS 1942 (2.8/2.9ma and 2.5/2.6ma)
(!!!!) (Best Value Single) 6V6G Haltron UK coated glass NOS 1940's (48.5ma)
(!!!!) (Good Value Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (6.0ma and 6.2ma)
(!!!!) (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)
(!!) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (73ma)
(!!) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (84.2ma)
(!) (Pair) 0D3 GE NOS 1957-1959 (argon)
(!) 0D3 RCA NOS 1976 slightly tilted glass (argon)
26 Coronado by RCA tests like new 1940's (6.0ma)