(!!!!) (Best GE Pair) 6FQ7 GE NOS 1976-1983 (7.2/8.2ma and 7.6/8.6ma)
(!!!) (Best Value Pair) 6FQ7 GE NOS 1978-1979 (5.8/6.2ma and 5.6/6.6ma)
(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's (9.0/8.0ma and 8.0/7.6ma)
(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's same build (6.4/6.8ma and 6.4/6.4ma)
(!!) (Recommended Single) 6FQ7 RCA clear top NOS D getter 1970 (7.5/11ma)
(!!) 6FQ7 RCA clear top NOS 1963 (8.2ma/9.8ma)
(!!!) (Recommended Pair) 6FQ7 GE NOS 1973-1974 (6.5/8.4ma and 7.0/8.0ma)
(!!!!!) (Best Value Pair) 6FQ7 RCA clear top NOS 1966-1968 (6/7ma and 6.8/7.2ma) (STAX, MARANTZ, CONRAD JOHNSON)
(!!!) (Best Pair) 6FQ7 GE NOS 1968-1969 (8.6/9.4ma and 8.8/9.0ma) (same Gm) 1-2% matched
(!!!!!) (Recommended Pair) 6FQ7 RCA clear top NOS 1969-1970 (7.6/11ma and 8.6/10ma) (STAX, MARANTZ, CONRAD JOHNSON)
(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.5/10.6ma and 6.7/9.2ma)
(!!!!) (Recommended GE Pair) 6FQ7 Zenith by GE NOS 1977 1-3% matched (7.0/7.6m and 6.8/7.5ma)
6CG7 Sylvania Emerson used/good chrome electrostatic shield between plates "U" getter 1957 (6.2/6.8ma)
6CG7 Sylvania gray plates NOS "U" getter 1958 with chrome electrostatic shield between plates (6.8ma/8.8ma)
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
6FQ7 US Brands used/pull-outs sold as-is (10 for $29.99)
(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.2/8.0ma and 6.0/8.4ma)
(!!!!) (Best Pair) 6FQ7 Zenith by GE NOS 1977 (7.2/8.0ma and 7.0/7.8ma)
(!!!) (Best Pair) 6FQ7 RCA clear top NOS "D" getter halo 1967 (8.0/7.4ma and 7.2/7.8ma)
