(!!!!!) (Recommended Pair) 5670W GE NOS 1986 (6.8/7.2ma and 6.6/7.2ma) 1-2% matched
(!!!!) (Best Pair) 5670W GE NOS 1986 (7.0/7.4ma and 7.2/7.6ma) 1-2% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.6/9.0ma and 8.0/9.4ma) 1-3% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.8/8.8ma and 7.6/8.4ma) 1-3% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (9.2/10.8ma and 9.8/11ma) 1-5% matched
(!!!!) 2C51 Sylvania NOS 1960's (9.0/10.8ma)
(!!!) (Best Single) 396A Western Electric D getter NOS 1956 in white box (7.2/8.4ma)
(!!!) (Best Sylvania Single) 2C51=5670 Sylvania NOS 1970's (7.2/7.4ma)
(!!!) (Best Sylvania Single) 2C51=5670 Sylvania NOS 1970's (8.0/8.6ma)
(!!!) (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)
(!!) (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 Sylvania) 5670 Sylvania NOS 1960 "D" getter halo (8.2/10.4ma)
(!!) JRP-5670 Raytheon NOS 1962 (6.2/8.8ma)