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(!!!!) (Best Pair) 1L6 Sylvania NOS 1950 same date codes (20/16 and 19/16)
(!!!!) (Best Pair) 6FQ7 GE NOS 1960's (7.5/8.0ma and 7.0/7.2ma) (Close Gm) 1-5% matched
(!!!!) (Best Pair) 6FQ7 Zenith by GE NOS 1977 (7.2/8.0ma and 7.0/7.8ma)
(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.5/10.6ma and 6.7/9.2ma)
(!!!) (BEST VALUE) 1L6 Sylvania branded RCA NOS 1962 (90/60)
(!!!) 12BH7A RCA branded Zenith NOS 1970 era (10/13.2ma)
(!!!) 1L6 RCA NOS (113/60)
(!!!) 1L6 RCA NOS (114/60)
(!!!) 1L6 Sylvania branded GE NOS 1973 original box (115/60)
(!!) (Best Overall Pair) 5Y4G Sylvania NOS 1951 (57-52/40 and 56-52/40) (rare)
(!!) (BEST PAIR) 5Y4GA RCA NOS 1969 same date codes (52-56/40 and 52-57/40)
(!!) (BEST PAIR) 5Y4GA Sylvania NOS 1960's same date codes (54-59/40 and 53-58/40)
(!!) (Best Single) 12BY7A Tungsol NOS 1960 era (29.5ma)
(!!) (Best Single) 6JS6C Westinghouse Japan NOS 1970's (121ma)
(!!) (Recommended Pair) 6JS6C GE Realistic and GE NOS 1970's - 1981 (70ma and 76ma)
(!!) (Recommended Pair) 6JS6C RCA NOS and like new 1970's (98ma and 102ma)
(!!) (slightly microphonic) 12AX7 Sylvania Zenith black ribbed plates "D" getter NOS/80% 1953 (Gm=1300/1400 and 0.9/1.0ma)
(!) (Best Value Single) 5U4G Dumont by Tungsol used/good 1954 (50/40 and 52/40)
(!) (SINGLE) 6JS6C GE NOS 1976 (70ma)
(!) 1L6 Sylvania NOS 1956 (112/60)
