(!!!) (Best RCA Pair) 7868 RCA NOS (57ma and 59ma) (matched on Amplitrex)
(!!!) (Best Sylvania Pair) 7868 Sylvania NOS (58ma and 62ma) (matched on Amplitrex)
(!!) (Good Value Pair) 7868 RCA NOS 1960's - 1970 (49ma and 50.5ma)
(!!) (Recommended Pair) 7868 RCA NOS 1960's - 1970 (56.5ma and 60ma) (matched on Amplitrex)
(!!) (Recommended Pair) 7868 RCA NOS 1969-1970 same date codes (63ma and 67ma)
(!!) (Recommended Pair) 7868 Sylvania NOS (61ma and 61.5ma) (matched on Amplitrex)
(!) (Recommended Pair) 7868 Sylvania NOS same build (47ma and 48ma)
(Best Single) 7868 RCA gray plate NOS 1970 era (66ma)
7868 RCA NOS 1969-1970 (45ma)
7868 Sylvania branded Philips NOS 1970's (65ma)
7868 Sylvania branded RCA NOS (54ma)
