(!!!!!) (Good Value Single) 396A Western Electric NOS "O" getter halo 1977 (5.1/6.8ma)
(!!!!!) (Recommended GE Pair) 5670 GE 5-Star NOS (SW) 1967 same date codes (6.2/8.2ma and 6.2/8.0ma)
(!!!!) (Best Overall Pair) 5670W GE NOS 1986 (7.6/9.6ma and 7.6/9.4ma) 1-2% matched
(!!!!) (Best Overall Single) 5670 GE 5 Star NOS 1967 tilted glass (7.5/10ma)
(!!!!) (Best Pair) 5670W GE NOS 1986 (7.8/9.0ma and 7.8/10ma) 1-3% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1981-1986 1-3% matched (8.8/9.4ma and 8.4/9.6ma)
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (6.4/7.8ma and 6.8/8.2ma) 1-3% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.0/8.3ma and 7.0/7.7ma) 1-3% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.2/9.4ma and 7.2/8.8ma) 1-3% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.5/10.6ma and 7.6/10ma) 2-3% matched
(!!!!) (~ Recommended GE Quad ~) 5670W GE NOS 1987 matched quad
(!!!!) 2C51 Sylvania NOS 1960's (7.4/8.4ma)
(!!!) (triple mica) 5670 GE rebranded RCA triple mica with D getter halo 1957 (5.6/6.2ma)
(!!!) JHS-5670 Sylvania NOS 1966 (6.0/8.6ma)
(!!) (Recommended Sylvania) 5670 Sylvania NOS 1960 "D" getter halo (8.2/10.4ma)
(!!) JHS-5670 Sylvania NOS 1966 (8.5/10ma)
