Tried the Octal Tube Dampers from Vintage. There work extremely well. The blackness between images, depth, and width of the soundstage improved, as well as inner detail. If you have octal tubes in your system, you've got to try these. I put them on the 4 Tungsol 6sn7 tubes inside my Wyetech Opal pre. They come with a 30 day money back trial period. I can only imagine how much better my VAC 30/30 Mk 3 would have sounded with these things. And they look cool, as they are made of polished solid brass.
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