(!!!) (Best Sylvania Pair) 5879 Sylvania NOS 1960's - 1970's (1.6ma and 1.6ma) 1-2% matched
(!!) (Recommended Pair) 5879 RCA branded Raytheon NOS 1960's (2.2ma and 2.4ma)
(!!) (Recommended Pair) 5879 RCA branded Raytheon triple mica D getter NOS early 1960's (1.8ma and 1.5ma)
5879 RCA branded GE NOS 1974 (2.3ma)
5879 RCA branded GE triple mica "D" getter NOS 1957 (1.5ma)
5879 RCA branded Raytheon chrome shield NOS 1970's (1.7ma)
5879 RCA branded Sylvania NOS 1960's (1.7ma)
5879 RCA branded Sylvania NOS 1960's (1.9ma)
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 "O" getter halo 1960 (1.6ma)
