(!!!) (Best Sylvania Pair) 5879 Sylvania NOS 1960's - 1970's (1.6ma and 1.6ma) 1-2% matched
$ 32.99
1 pair) 5879 Sylvania NOS 1960's - 1970's same build
1 tube) 1.6ma Gm=900 1970's
1 tube) 1.6ma Gm=1000 1960's
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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 (Best Sylvania Pair) 5879 Sylvania NOS 1960's - 1970's (1.6ma and 1.6ma) 1-2% matched "Pin It")