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(!!!) (Recommended Single) KT77 Gold Lion black base used/like new (7920=1979) (90ma) (tested on Amplitrex)
(!!!) (Recommended Single) KT77 Gold Lion black base used/like new (7920=1979) (90ma) (tested on Amplitrex)
$ 279.99
1 tube) KT77 Gold Lion black base (7920=1979) some scratches on the bases, good top getter used/tests like new in Gold Lion box
90ma
Gm=12,100
Tested on Amplitrex
Vplate=265V
Vscreen=250V
Vgrid=-13.5V
Good Ma range=80-100ma
Good Gm range 11,000-12,000
General Information
The KT77 is designed primarily for use under ultra-linear conditions (43% taps, Class AB1 push-pull)
and this connection is recommended. Similar performance can be obtained in the tetrode connected mode,
but the output impednace (zout) will be higher. Life expectancy=5000 hours when operated at maximum
ratings (32W) or 10,000 hours when operated at (25W)
- Bob Gjika KT77 guitar amp
See more: vacuum tube
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