(!!!) (BEST PAIR) JHY-0B2WA CBS NOS 1960 (neon gas) (1 pair)
(!!!) (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 1954) JTL-5687 Tungsol black plates "U" getter NOS 1954 (33/36.5ma)
(!!!) (Best Single) 6X4 Tungsol NOS 1957 "D" getter (54/40 and 57/40)
(!!!) (Best Single) 6X4 Tungsol NOS 1957 "D" getter (57/40 and 55/40)
(!!!) (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 Single) ECL82=6BM8 Philips Holland NOS 1966 (2.3/55ma) (Highest mA and Gm)
(!!!) (Best Value Mullard Pair) 6BM8=ECL82 Mullard UK branded Philips NOS 1973-1974 (2.3/25ma and 2.3/28ma)
(!!!) (Best Value Pair) 6BM8=ECL82 Mullard branded Sylvania NOS 1966-1969 (2.3/24ma and 2.5/23ma)
(!!!) (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)
(!!!) (Good Value Single) JAN-5687WA Raytheon bronze plates "O" getter like new 1960 era (33.5/33ma)
(!!!) (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)