Quote:
Originally Posted by 2fastdriving
Yes, the Ref6 has about 850 hours on it, and the Ref5 about 1500 hours, maybe 1600 now. I don't check that often. So they should both be broken in, yet not needing any tubes for a while.
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Your 6550 tube is on edge of petering out at that many hrs especially if it's the Sovtek. You might want to replace the 6550 and go your shootout again. Some of the sonic issues on your Ref 5SE may well be that.