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(!!!) (Best Pair #3) 6AQ5A GE NOS 1960-1975 (46.5ma and 49.6ma)
(!!!) (Best Pair #3) 6CW4 RCA NOS 1961-1965 (103/60 and 102/60)
(!!!) (Best Pair #3) 6GU7 RCA NOS 1970-1971 (10/13ma and 11/12ma)
(!!!) (Best Pair #4) 6AU6A GE NOS 1977 (6.1ma and 6.1ma) 1-3% matched (Sony C800G mic)
(!!!) (Best Pair #4) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (13.6/11.5ma and 13.0/12.2ma) 1-5% matched
(!!!) (Best Pair 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (50-53/40 and 50-54/40)
(!!!) (Best Pair for the money) 5Y3GT Philips Holland NOS 1960's (58-63/40 and 58-64/40)
(!!!) (Best Pair) 12A Sylvania green leaf NOS 1940's original boxes (7.5ma and 7.9ma)
(!!!) (Best Pair) 12AT7 RCA gray plates NOS 1972-1974 (9.2/8.6ma and 9.6/8.4ma)
(!!!) (Best Pair) 12AZ7A Toshiba branded Raytheon Japan gray plates NOS 1960's (11.3/12.3ma and 11.4/11.8ma)
(!!!) (Best Pair) 1625 National Union NOS 1944 (90/40 x 2 tubes)
(!!!) (Best Pair) 1625=VT-136 National Union NOS 1943-1944 (87/40 and 90/40)
(!!!) (Best Pair) 26 Super Silvertone ST-14 used/like new 1940's (5.7ma and 6.0ma)
(!!!) (Best Pair) 26 Sylvania branded Zenith black plate NOS 1946 (5.4ma and 5.6ma) (rare)
(!!!) (Best Pair) 30 Brimar BVA made in USA but might be made in UK in white boxes 1940's (3.1ma and 3.3ma)
(!!!) (BEST PAIR) 5R4GYB RCA branded Westinghouse NOS 1966 (54-52/40 and 52-52/40)
(!!!) (Best Pair) 5U4GB Sylvania NOS 1960's (59-62/40 and 60-62/40)
(!!!) (Best Pair) 5Z4 RCA NOS 1959 (50-50/40 and 51-51/40)
(!!!) (Best Pair) 5Z4 RCA NOS 1959 (51-51/40 and 52-52/40)
(!!!) (Best Pair) 6973 Sylvania branded GE gray plates NOS 1970 (44ma and 46ma)
