(!!!!!) (Best Pair) 5670W GE JAN NOS 1986 (9.5/10.5ma and 9.2/11ma) (Highest mA and Gm)
(!!!!) (Best Value Pair) 12BH7A Sylvania branded Philips NOS pinched plates 1982 (7.8/8.8ma and 8.2/8.8ma) (Same Gm) (Art Audio, Quicksilver, Rogue, Universal Audio)
(!!!!) (Best Value Pair) 12BH7A Sylvania branded Philips NOS pinched plates 1982 (8.4/9.4ma and 8.7/9.2ma) (Same Gm) (Art Audio, Quicksilver, Rogue, Universal Audio)
(!!!!) (Recommended Pair) 6L6GT=6n3C Russian NOS 1982 in white boxes (72.4ma and 73.5ma)
(!!!!) (Recommended Pair) 6L6GT=6n3C Russian NOS 1982 in white boxes (76.2ma and 77ma)