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(!!!!) UX-280 RCA Radiotron Balloon used/60% 1930 era some white oxide flakes inside tube (38/40 and 38/40)
(!!!) (#1 6BX7GT RCA single) 6BX7GT RCA NOS 1961 (41/48ma)
(!!!) (1 PAIR) 6V6 GE metal can NOS 1976 (38.8ma and 39.2ma) 1-3% matched
(!!!) (Best GE Single) 6EU7 GE NOS pinched gray plates 1975 (56/32 and 58/32)
(!!!) (Best Matched Quad #1) 5Y3GT Philips Holland NOS 1960's (1 set of 4)
(!!!) (Best Overall Pair) 6AU6A GE NOS 1977 (6.7ma and 6.8ma) 1-2% matched (Sony C800G mic)
(!!!) (Best Overall Pair) 6AU6A GE NOS 1977 (7.1ma and 7.3ma) (Same Gm) 1-2% matched (Sony C800G mic)
(!!!) (Best Overall Single) 2A3 RCA black plates NOS 1940's (114ma) (high Gm)
(!!!) (Best Overall Single) 5842 Raytheon branded RCA NOS windmill getter galo 1967 (43.8ma Gm=32,000)
(!!!) (Best Pair #1) 2A3 RCA and RCA branded HYTRON black plates D getter halo 1945 era NOS (105ma and 107ma) (sound excellent in SET amp)
(!!!) (BEST PAIR #1) 47 RCA branded ARCTURUS NOS 1940's (34.5ma and 35.2ma)
(!!!) (Best Pair #1) 6146B RCA NOS 1968-1970's (96.5ma and 100ma)
(!!!) (Best Pair #1) 6F6 RCA metal can NOS 1966 (40ma and 39.6ma) 1-2% matched
(!!!) (Best Pair #1) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (15.4/12.5ma and 15.4/12.5ma)
(!!!) (BEST PAIR #2) 47 RCA branded ARCTURUS NOS 1940's (40ma and 40.2ma)
(!!!) (Best Pair #2) 6973 RCA black plate NOS and like new 1959 (44ma and 42.5ma)
(!!!) (BEST PAIR #2) 6AU5GT GE gray plates NOS 1960's (66.5ma and 65ma)
(!!!) (BEST PAIR #3) 47 RCA branded ARCTURUS NOS 1940's (40.5ma and 42ma)
(!!!) (Best Pair #3) 6973 Sylvania and Sylvania branded GE gray plate NOS 1970's - 1980 (60ma and 58ma)
(!!!) (BEST PAIR #3) 6AN8A RCA NOS 1968 (13.5/15.2ma and 13.6/12.4ma)