(!!!!) (Best GE Pair) 6FQ7 GE NOS 1976-1983 (7.2/8.2ma and 7.6/8.6ma)
(!!!) (Best 6CG7 Single) 6CG7 Zenith Sylvania gray plates "U" getter NOS 1957 with chrome electrostatic shield between plates (9.4/9.8ma)
(!!!) (Best Value Pair) 6FQ7 GE NOS 1978-1979 (5.8/6.2ma and 5.6/6.6ma)
(!!!) (Recommended Pair) 6FQ7 RCA clear top NOS "O" getter halo 1974 (7.0/7.2ma and 7.0/7.7ma)
(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's (6.5/6.9ma and 6.7/7.5ma)
(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's same build (6.4/6.8ma and 6.4/6.4ma)
(!!) (Recommended Single) 6CG7 PHILCO COOL CHASSIS TV by Sylvania SHINY BLACK PLATES, chrome shield 1961 (10.2ma/13.8ma)
(!!) (Recommended Single) 6FQ7 RCA clear top NOS D getter 1960's (7.5/11.5ma)
(!!) 6CG7 GE NOS 1961 gray shield between plates (6.5/7.0ma)
(!!) 6CG7 RCA clear top NOS 1961 (6.5ma/7.8ma)
(!!) 6FQ7 RCA clear top NOS 1963 (8.2ma/9.8ma)
(!!!!) (BEST OVERALL PAIR) 6FQ7 RCA clear top NOS 1969-1970 era (7.3/7.5mA and 7.2/8.0mA)
(!) 6CG7 Sylvania branded Philco Black Plates NOS chrome shield "o" getter halo 1959 (10.2ma/8.8ma)
(!!!!) (Recommended Single) 6CG7 Tungsol like new 1960 era black shield between plates (9ma/10ma)
(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.5/10.6ma and 6.7/9.2ma)
(!!!) 6CG7 RCA gray plates with gray electrostatic center shield between plates used/good 1960's (6.8/7.8ma)
6CG7 Sylvania gray plates NOS "U" getter 1958 with chrome electrostatic shield between plates (6.8ma/8.8ma)
6FQ7 Magnavox Japan used/good copper grid posts 1960's (5.2ma/6.2ma)
6FQ7 Raytheon Japan branded Realistic Lifetime gold plated pins low hours/tests like new 1960's (6.4ma/6.6ma)
6FQ7 Realistic Lifetime Taiwan NOS gold plated pins 1970's