(!!!) (Best Pair) 6BX7GT GE "D" getter NOS 1954-1956 - 1 tube branded Raytheon (53ma/50ma and 47/52ma)
(!!!) (Best Single 1953) 6BX7GT Philco by Sylvania "D" getter halo 1953 (56/63ma)
(!!!) (Best Single 1953) 6BX7GT Raytheon by GE "D" getter halo 1953 (58/68ma)
(!!!) (Best Single 1961) ECC82=12AU7 Miniwatt Holland NOS 1961 (9.8/9.2ma)
(!!!) (Best Single 1967) ECC82=12AU7 Philips Holland NOS 1967 (11.2/10.6ma) (same Gm)
(!!!) (Best Single) 6094 Cetron NOS 1972 (Tungsol clone) (61ma) (last series made)
(!!!) (Best Single) 6922 Amperex PQ USA 1967 NOS (13.6ma/16.8ma)
(!!!) (Best Single) E80CF=7643 Valvo branded Amperex Germany PQ NOS 1961 (Premium 6BL8 SUB) (Highest mA and Gm)
(!!!) (Best Single) EL84 Brimar England NOS 1962 (58.2ma)
(!!!) (Best Single) JAN-6094 Tungsol NOS 1968 made on Bendix tooling (63ma)
(!!!) (Best Single) JAN-CEA-6094 Bendix like new 1956 (61ma) (1st series)
(!!!) (Best Single) JEA-6094 Bendix used/good 1961 (47.5ma)
(!!!) (Best Single) JEA-6094 Bendix used/good 1961 (52ma)
(!!!) (Best Value Pair) E80CF=7643 Valvo Germany branded International NOS 1961-1963 (PREMIUM 6BL8 SUB) (Tuners) 1-5% matched
(!!!) (Best Value Single) 12AX7=ECC83 FISHER HOLLAND large "O" getter halo 1960 used/good (Gm=1550/1600 and .9/1.0ma)
(!!!) (Best Value Single) 12AX7=ECC83 FISHER HOLLAND large "O" getter halo 1961 used/good (Gm=1500/1600 and .9/.9ma)
(!!!) (Best Value Single) E80CF=7643 Valvo Germany branded International NOS 1961 (12.8/18mA) (PREMIUM 6BL8 SUB) (Tuners)
(!!!) (Best Value Single) E80CF=7643 Valvo Germany branded International NOS 1963 (10.8/13.4mA) (PREMIUM 6BL8 SUB) (Tuners)
(!!!) (Best Value) 8D8=EF86 Brimar UK quad mica NOS/75% 1961 (2.0ma)
(!!!) (Good Value Pair) 6SL7GT GE NOS round chrome plates 1969 (1.8/1.9ma and 1.9/2.0ma) (same Gm)