(!!!) (Best Single #2) E182CC=7119 Mullard SQ Holland NOS large "O" getter halo 1964 (30/34ma)
(!!!) (Best Single 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (55/40 and 58/40)
(!!!) (Best Single 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (56/40 and 59/40)
(!!!) (Best Single 1950's) 5687 Tungsol black plates "U" getter used/tests like new 1950's (36/39ma)
(!!!) (Best Single 1954) JTL-5687 Tungsol black plates "U" getter NOS 1954 (33/36.5ma)
(!!!) (Best Single) 6X5GT RCA NOS 1946 (55/40 and 60/40)
(!!!) (Best Single) CK5687WA Raytheon black plates "O" getter like new 1960 (35/38ma)
(!!!) (BEST VALUE SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's slightly tilted glass (54/40 and 54/40)
(!!!) (Good Value Pair) 6X5GT=VT-126B RCA black plates NOS 1943 (50-50/40 and 50-50/40)
(!!!) (Recommended Pair) 6X5GT GE NOS 1961-1963 (50-50/40 and 49-49/40 x 2 tubes)
(!!!) (Recommended Pair) E80CC=6085 Heitz and Kaufman NOS and Philips Miniwatt SQ Holland like new 1970 (6.2/6.8ma and 7.2/7.7ma)
(!!!) (Recommended Pair) E80CC=6085 ITT NOS and Philips Miniwatt SQ Holland like new 1970-1973 (6.8/8.0ma and 7.9/8.0ma) (Highest mA and Gm)
(!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (53/40 and 54/40)
(!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (54/40 and 55/40)
(!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (54/40 and 56/40)
(!!!) (Recommended Single) 6X4W Tungsol NOS 1966 (50/40 and 50/40)
(!!!) (Recommended Single) 6X5GT Sylvania Silvertone NOS 1945 (52/40 and 53/40)
(!!!) (Recommended Single) E80CC=6085 Philips SQ Holland NOS 1967 (5.8ma/6.9ma) (close Gm)
(!!!) (Recommended Single) JTL-6X4W Tungsol NOS 1955 curved "D" getter (49/40 and 52/40)
(!!!) (Set of 77) 6X4 US Brands NOS original boxes 1950-1980 era (set fo 77)
