I have Herbie's under just about every component. I have never removed the stock feet from any of my components. With my Earthquake Cinenova Grande amp I have the tenderfeet under the stock feet just to give the amp more lift for breathability purposes. But on most of my other components I usually get the tall version and place right next to the stock footers...I also have the Gliders on my Revel speaks, in this case they do replace the footers of the speakers...
