(!!!) (Pair) 5879 Sylvania branded RCA NOS 1970's (1.1ma and 1.3ma)
$ 19.99
1 pair) 5879 Sylvania branded RCA NOS 1970's
1 tube) 1.1ma Gm=900
1 tube) 1.3ma Gm=900
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
See more: vacuum tube
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 (Pair) 5879 Sylvania branded RCA NOS 1970's (1.1ma and 1.3ma) "Pin It")