Vibration control question....

Guidocorona, see: http://aaudioimports.com/store/ProductDetail.asp?catID=43&subCatID=4&productID=60

Norm, that was a beautiful example of Engleutch. . . or was it Germlish? the word 'Plumb' for Lead was especially delicious! Yet, the page was not especially informative about what there is in these 1.4 inch thick bases. Perhaps Lead, Aluminum, felt, 'finest Quartz sand'? Who knows! But it better be good for their dizzying price tag!

There is liquid inside. Yes, they are saying very little for proprietary reasons, of course. And yes, they are the best passive shelf I have heard, adding great clarity and transient attack.