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(!!!) (Best Overall Pair) 6JS6C Sylvania Zenith and Sylvania NOS same build (104ma and 107ma)
(!!) (Best Single) 6JS6C Lindal Japan NOS 1970's (129ma)
(!!) (Best Single) 6JS6C Westinghouse Japan NOS 1970's (121ma)
(!!) (Recommended Pair) 6JS6C GE Realistic and GE NOS 1970's - 1981 (70ma and 76ma)
(!) (SINGLE) 6JS6C GE NOS 1976 (70ma)
(!) 6JS6C GE branded RCA NOS 1970's (55ma)
(Best Single) 6JS6C Sylvania NOS 1970's (118ma)
6JS6A RCA NOS 1967 (92ma)
6JS6A Sylvania NOS (114ma)
6JS6B GE branded Zenith NOS (93ma)
6JS6C RCA NOS 1970's (143ma)
6JS6C RCA NOS 1971 (72ma)
6JS6C Sylvania branded Philco NOS (91ma)
6JS6C Sylvania NOS (75ma)
6JS6C Sylvania used/good (80ma)