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6550 vs. KT88: What's different about the sound?

I have a Music Reference RM9...great amp. I used EL34's for several years...nice match for the slightly agressive ribbons in the Newform (best imaging I've ever heard) Now that I have the Maggie 1.6 QR, the 6550 (Svetlana) sounds better... but will the KT88 better define the high end without being aggressive and better control the bass without being anemic? KT88's are much more expensive than 6550's so before I lay out an extea 300 $, or so, I'd like to know what to expect. Any help out there?? Better to get me at gymrome@aol.com. ( use "Tube question" as the subject so I know it's not spam )
jrome

Showing 1 response by chuck

chuck
211 posts
 
I have limited experience with the Svetlana KT-88 and Svetlana 6550 C. The immediate differences that I noticed were the following: The KT 88's were more refined sounding. They resoved inner detail better and presented music in a smooth textured manner. It has a bit more sparkle on the top end than the 6550C. The 6550 seems to be a bit more dynamic not as rich in tone, but seem to have better heft and low end definition. Both are great tubes and it really comes down to personal taste.

Hope this helps,

Johnny
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