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(!!) (~ Recommended Pair ~) 5879 Sylvania branded RCA NOS 1970's (1.6ma and 1.6ma)

(!!) (~ Recommended Pair ~) 5879 Sylvania branded RCA NOS 1970's (1.6ma and 1.6ma)

$ 21.99

1 pair) 5879 Sylvania branded RCA NOS 1970's
1 tube) 1.6ma Gm=1000
1 tube) 1.6ma Gm=1000

 

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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