(!!!!) (Recommended Single) Z729=EF86 GEC UK NOS "D" getter halo 1950's (2.9ma Gm=2000)
(!!!) (Best Pair) EF86 Telefunken Germany <> bottom NOS gray shield 1972 1% matched (3.2ma and 3.2ma) (Neumann, Lawson, Soundelux, Manley)
(!!!!) (Recommended Pair) 8D8=EF86 Brimar UK quad mica NOS 1961 (3.1ma and 3.2ma) 1-2% matched
(!!!!) (Recommended Single) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (2.8ma) (Neumann, Lawson, Soundelux, Manley)
(!!!) (Best Overall Single) E80F=6084 Miniwatt SQ Holland Special Quality Gold Pins "D" getter NOS 1960 (3.2ma)
(!!!) (Best Value) 8D8=EF86 Brimar UK quad mica NOS/75% 1961 (2.0ma)
(!!!) (Recommended Quad) 8D8=EF86 Brimar UK quad mica NOS 1961 (2.8/3.0/3.0/3.0ma) 1-3% matched
(!!) (Best Pinched Waist 1956) E80F=6084 Philips Miniwatt Holland NOS Rugged Reliable Long-Life "Pinched Waist" with "D" getter halo 1956 (3.1ma)
(!!!!) (Recommended Pair) EF86 Telefunken Germany <> bottom NOS gray shield 1972 1-2% matched (3.1ma and 3.1ma) (Neumann, Lawson, Soundelux, Manley)
(!!) (Best Single) E80F=6084 Philips SQ NOS Gold Pins 1971 (3.5ma)
E80F=6084 Philips Holland NOS 1975 (3.2ma)
E80F=6084 Philips Miniwatt Holland NOS 1965 (3.0ma)
EF86 Amperex Germany by Valvo used/good 1963 (2.5ma)
EF86 Trigon made in Russia NOS 1970's (2.8ma)
EF86 International Russian NOS 1979 (3.7ma)
EF86 United Russian NOS 1980's (3.1ma)
(!!!!!) (Best Single 1961) EF86 Amperex Bugle Boy Holland made in France NOS 1961 (3.1ma)
(!!!!) (Recommended Single) Z729=EF86 GEC UK mesh-plate NOS "D" getter halo 1950's (3.1ma)
(!!!) (Best Single) EF86 Valvo Germany branded Philips NOS 1970 (4.4ma) (highest Ma and Gm)
EF86 Trigon made in Russia NOS 1970's (2.7ma)
