(!!!!!) (Recommended Single) 396A WE NOS 1981 (7.8/8.2ma)
(!!!!!) (Recommended Single) 396A Western Electric NOS "D" getter halo 1971 (7.0/8.2ma)
(!!!!) (Best Pair) 5670W GE NOS 1986 (8.0/8.8ma and 8.2/8.4ma) 1-3% matched
(!!!!) (Best Pair) 5670W GE NOS 1986 (9.2/10.0ma and 9.2/9.3ma) 1-2% matched ** (high Ma and Gm)
(!!!!) (Best Single) JHS-5670 Sylvania NOS 1966 (8.5/10ma)
(!!!!) (Matched set of 3) 5670W GE NOS 1986 (8.0/8.6ma and 8.2/8.4ma and 8.2/8.6ma) 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 (7.2/7.4ma and 7.7/7.7ma) 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 **
(!!!!) 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)
