Jay461 - As swampwalker said you are having problems with tube microphonics. By their nature all tubes are microphonic to some degree. Some more so than others. There are a lot of things to do. You should replace the tubes till you get a more acceptable pair. You can try isolating your preamp. I use a combination of brightstar airmass and symposium rollerblocks and hal-o tube dampers. There are many other isolation products out there also. Some use small innertubes from children's bikes. Under-inflated works better than fully-inflated. Considering the prices of some of these you should probably try the innertubes first to see if it helps. You also might want to consider the placement of you system rack relative to your speakers.
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- 3888 posts total
- 3888 posts total