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Mortite

Posted by tweaker456 on October 5, 2020 at 14:14:36:

"Mortite: Rope caulk is a great vibration-absorbing material for use with internal component chassis, loudspeaker baskets and many other applications (and highly recommended by Herbie's Audio Lab). Not advised for vacuum tubes, however. Mortite and other brands of rope caulk have a high temperature range of only 150�F (66�C). The material might hold up to the heat of small-signal tubes for an audition or two (which will probably yield good sonic results), but before long, Mortite will turn foamy, smoke and burn, partially vaporize and melt into a pathetic mess (similarly, Blu-Tak has very poor high-temperature range and will melt readily on vacuum tubes)." From Herbie's Audio Lab which specializes in vibration control. Tweaker also thinks this is great stuff for sonic improvement, good on wall plates also. Cheap and easy. It's been brought up before but the stuff is so good I thought it worth a repeat for those who have not tried it yet.