Log in using the new customer accounts page.
(!!!) (Best Pair) 6203 GE NOS 1976-1979 (53-54/40 and 54-54/40)
(!!!) (Best Pair) 6973 Sylvania branded GE gray plates NOS 1970 (44ma and 46ma)
(!!!) (Best Pair) 6A7G Marconi Radiotron Canada NOS 1950 era (47/29 and 47/29)
(!!!) (Best Pair) 6AF4A Sylvania NOS 1965 (22.5ma and 22.8ma)
(!!!) (Best Pair) 6AG7Y RCA brown bottom NOS 1960-1964 (32.3ma and 32.5ma)
(!!!) (Best Pair) 6AH6WA GE NOS 1980's (10.6/11ma)
(!!!) (Best Pair) 6AL5 Tungsol NOS "D" getter 1957-1965 (48-48/40 and 46-48/40)
(!!!) (Best Pair) 6AN8A RCA Motorola NOS 1973 (17.6/14.6ma and 16.5/15.6ma)
(!!!) (BEST PAIR) 6AN8A RCA NOS 1968 (16.2/15.6ma and 16.5/13.4ma) (close Gm matching)
(!!!) (BEST PAIR) 6AU5GT GE gray plates NOS 1960's (75ma and 74ma)
(!!!) (Best Pair) 6AU6A Channel Master Hitachi Japan NOS D getter 1960 (8.6ma and 9.2ma)
(!!!) (Best Pair) 6BL7GTA GE black plates NOS 1958 and 1966 (43.0/44.5ma and 40.5/41.5ma) (very close Gm matching)
(!!!) (Best Pair) 6BL7GTA GE gray plates NOS 1972 and 1983 (42.5/47.5ma and 41.0/41.5ma) (very close Gm matching)
(!!!) (Best Pair) 6BL7GTA Sylvania branded GE NOS 1967-1968 (42.5/39.5ma and 40.2/43.2ma)
(!!!) (Best Pair) 6BL7GTA Sylvania branded RCA triple mica "D" getter 1959-1960 (44.5/40.6ma and 41.5/42.0ma) (Close Gm)
(!!!) (BEST PAIR) 6BX7GT Sylvania "D" getter halo NOS 1950's (57.6/62.6ma and 64.0/58.0ma) (close triode balance)
(!!!) (BEST PAIR) 6CA4 RCA NOS 1969-1970's (52/40 and 53/40 x 2 tubes)
(!!!) (Best Pair) 6CS7 RCA gray plates NOS 1970 era (20/10.6ma and 21/12.2ma)
(!!!) (Best Pair) 6F6GT GE coated glass NOS 1951-1952 (36ma and 39.5ma)
(!!!) (Best Pair) 6F6GT Sylvania and Sylvania Philco NOS 1950-1952 (40ma and 41.5ma) (close Gm)
