(!!) (Recommended Pair) 5879 RCA branded Raytheon NOS 1960's (2.2ma and 2.4ma)
$ 32.99
1 pair) 5879 RCA branded Raytheon NOS 1960's
1 tube) 2.2ma Gm=1000
1 tube) 2.4ma Gm=1100
Matched on Amplitrex
Vplate=250
Vscreen=100V
Vgrid=-3
Good Ma range 1.5-1.8ma
Good Gm range 800-1000
- Divided by 13 RSA 31 amp
- Divided by 13 JRT 9/15
- AMPEX 620/621
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