Latest tweak: Walker Audio SST to the tube pins. I just performed this on a RSA Raptor headphone amp- so far I can't say it is any type of night and day difference, although it sounded great before the application...
Best tweak: solid butcher blocks from Amazon under my Omega A8 using brass points (reasonably priced off Ebay) under the speakers and blocks. About $100 for an outstanding improvement in bass and in the already excellent soundstage.
Best tweak: solid butcher blocks from Amazon under my Omega A8 using brass points (reasonably priced off Ebay) under the speakers and blocks. About $100 for an outstanding improvement in bass and in the already excellent soundstage.