Are the tubes in your unit factory issue? I have upgraded all my tubes which has enhanced the overall sound. I do believe different tube quality can have a profound effect on output.
MMitch7711, I think they were plain old Cary spec stock tubes...with plenty of life. I don't have much experiencing tube rolling, but it seems like a nice way to tailor a particular piece to one's liking, though it may be hit and miss along the journey (yet another symmetry with this crazy addiction) D
D I have and still am experimenting with tube rolling, believe me it can be an adventure, there are so many combinations available, and can become expensive depending on how fast you find what you are seeking
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