(!!!) (Single) 6X4 Tungsol NOS 1960's (60/40 and 66/40)
(!!!) (Single) 6X5GT Sylvania Philco NOS 1945 (53/40 and 56/40)
(!!!) (Single) CK-5687 Raytheon black plates "O" getter like new 1960 (30/33.5ma)
(!!!) (slightly microphonic pair) E182CC=7119 Mullard SQ Holland NOS "O" getter halo 1963 (33.8ma/33.8ma and 35.2/34.4ma) (Same Gm)
(!!!) (slightly microphonic Single) E182CC=7119 Amperex PQ Holland NOS large "O" getter halo 1970 (35/37.2ma)
(!!!) 5V4G Brimar UK gray plates used/good 1960 era (60/40 and 62/40)
(!!!) 6X5GT RCA black plates NOS 1953 (50/40 and 54/40)
(!!!) 6X5GT RCA NOS 1953 (52/40 and 62/40)
(!!!) 6X5GT RCA NOS 1969 (47/40 and 56/40)
(!!) (1 set of 10) 6SH7 GE metal can NOS (10 tubes for $34.99)
(!!) (BEST PAIR) 6BM8 Sylvania NOS 1970's (1.8/45ma and 1.7/49ma)
(!!) (Best Pair) 6SH7 GE metal can NOS 1970-1981 (11ma and 11.2ma)
(!!) (Best Pair) 6SH7 GE metal can NOS 1976 (12.2ma and 12.4ma) **
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (10.2, 10.2, 10.2, 10.2mA)
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (10.4, 10.5, 10.6, 10.6mA)
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (11.0, 11.2, 11.4, 11.4mA)
(!!) (Best Single) 6112 Philips JAN 1980's (2.2/2.2ma)
(!!) (Best Single) 6J5GT Sylvania lightning logo round black plate NOS 1946 (10.4ma)
(!!) (Best Value Quad) 6SH7 GE metal can NOS 1976 (8.6, 9, 9, 9mA)
(!!) (Best Value Single 1961) 5687WA Tungsol bronze plates "O" getter halo used/very good 1961 (33.4/34.8ma)
