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(!) (#7 Best Pair) 7868 Sylvania NOS (37ma and 37.5ma)

(!) (#7 Best Pair) 7868 Sylvania NOS (37ma and 37.5ma)

$ 139.99

Tube Specs

1 Matched Pair NOS same build

1 tube) Sylvania rebranded GE
1 tube) Sylvania rebranded RCA

Test Data

1 tube) 37.5ma, Gm=8000
1 tube) 37.0ma, Gm=8100

(Good Current range=35-60ma)

(Good Gm range = 8000-10,000)

Tested on Maxi-Matcher

(Vplate=325V, Vscreen=325V, Vgrid=-12V, triode connected)

 

Recommended for

- Ampeg Reverberocket R-12R 1965
- Ampeg Jet 12 1960's
- Fisher Model 400 FM Multiplex Receiver
- Fisher X-100B
- Bogen

 

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