(!!!!) (BEST OVERALL PAIR) 5670W GE NOS 1986 (8.2/8.2ma and 8.4/8.2ma) 1-2% matched
(!!) (Single) 2C51 Tungsol black plates "D" getter halo used/good 1960 era (6.4/6.6ma)
5670=2C51 GE black plates "D" getter halo used/good 1950's (7.2/8.0ma) (same Gm)
(!!!) (Single) JG-5670 GE D getter halo 1956 like new (8.3/10ma)
(!!!!) (Best Value Pair) 5670W GE NOS 1986 (6.6/7.0ma and 6.6/7.0ma) 1-3% matched
(!!!!) (Best Pair #2) 5670W GE NOS 1986 (8.0/7.2ma and 8.0/7.4ma) (same Gm) 1-2% matched
(!!!) (Best Single 1956) JG-5670WA GE triple mica with D getter NOS 1956 (7.8/7.0ma)
(!!!) (Single) JG-5670WA GE triple mica with D getter NOS 1956 (5.5/5.8ma) (same Gm)
(!!!) (Best Single) JHS-5670 Sylvania NOS 1966 (12/10ma)
(!!!) (Single) JHS-5670 Sylvania NOS 1966 (7.0/6.8ma)
(!!!!!) (Best Pair) 5670W GE NOS 1986 (8.4/9.4ma and 8.6/9.2ma) 1-3% matched
