(!!!) (Best Sylvania Pair) 5879 Sylvania branded RCA NOS 1970's (1.8ma and 1.8ma) 1-2% matched
(!!!) (Recommended Pair) 5879 Sylvania branded RCA NOS 1970's (1.6ma and 1.7ma)
(!!!) (Best RCA Pair) 5879 RCA branded GE NOS 1974 (2.2ma and 2.0ma)
5879 RCA triple mica "D" getter halo used/tests like new (1.7ma)
5879 RCA triple mica "D" getter halo used/tests like new (2.0ma)
5879 RCA triple mica "D" getter NOS around 1960 (1.4ma)
5879 Sylvania branded RCA NOS 1970's (1.6ma)
5879 Sylvania branded RCA NOS 1970's (2.5ma)
