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In Reply to: RE: Ribbons + tubes on their way out = miserable posted by Neuro on November 02, 2009 at 23:15:39
Same here. I figured something was wrong when I was getting more detail from my Cowon D2 portable. I bi-amp so I tried swapping the bass SS amp on the highs, noticed a difference, so I took the output tubes to a dealer who checked them and advised that they're ok but getting there (need to be replaced). A few weeks later one of the output tubes blew and I got replacement sets for both amps. The improvement was easily audible from the first song.
I've often wondered about the comments when somebody "tube rolls" and pronounces the replacement set (usually a different brand) so much better. If their old set was worn out, anything they replace it with (even the same brand, as I did) is bound to be better.
What really sucks is that this degradation is so slow that it takes awhile before you realize that something's wrong but you can't place your finger on it. (cleaning contacts, switches, etc to get that sound back)
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