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(!!!!!) (Best Overall Pair) 6J5GT Ken Rad black round plates NOS 1942 (10.5ma and 10.2ma) 1-3% matched
(!!!!) (Best Pair #3) 6J5GT Ken Rad black ribbed plates NOS 1942 (8.4ma and 8.0ma) 1-3% matched (Same Gm)
(!!!!) (Best Pair 1940's) 6L6GA Sylvania and Philco Sylvania coated glass NOS 1944 (67ma and 67.2ma)
(!!!!) (Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.6ma and 7.4ma)
(!!!) (Best Pair #2) 6L6GA Philco Sylvania and Sylvania coated glass NOS 1944 (76ma and 78.5ma) (Highest mA and Gm)
(!!!) (Best Pair #4) 6J5GT Ken Rad black ribbed plates NOS 1942 (7.2ma and 7.2ma) 1-2% matched
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (73ma)
(!!!) (SINGLE) 6L6GAY Sylvania brown base NOS 1956 aged 48-hours (84.2ma)
(!!) (Pair) 0C3 GE NOS 1976 (argon)
0C3 GE NOS 1946 (argon)
0C3 GE NOS 1960's (argon)
26 Coronado by RCA tests like new 1940's (6.0ma)
26 National Union engraved base tests like new 1930's (6.0ma)
5Y3G GE used/good 1943 (46/40 and 52/40)