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(!!!) (Best Sylvania Pair) 5879 Sylvania branded RCA NOS 1970's (1.8ma and 1.8ma) 1-2% matched

(!!!) (Best Sylvania Pair) 5879 Sylvania branded RCA NOS 1970's (1.8ma and 1.8ma) 1-2% matched

$ 27.99

1 pair) 5879 Sylvania branded RCA NOS 1970's
1 tube) 1.8ma Gm=1000
1 tube) 1.8ma 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

See more: vacuum tube
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