(!!!) (~ Best Sylvania Pair ~) 5879 Sylvania branded RCA NOS 1970's (2.0ma and 2.0ma)
(!!) (~ Recommended Pair ~) 5879 Sylvania branded RCA NOS 1970's (1.6ma and 1.6ma)
5879 RCA low hours/tests like new 1960's (1.8ma)
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 (2.2ma)
5879 Sylvania branded RCA NOS 1970's (2.4ma)
