It is a fact that every transformer has a vibration characteristic, and it amazes me why the majority of manufacturers do not isolate these from the chassis. It is one of the most significant modifications of any piece of gear, whether it be amp, pre, transport, etc, and does enhance sq, ime. I have used roofing repair tape, such as Peel and Seal and USeal, Dynamat, and even mouse pads for this purpose, with a great outcome. Enjoy ! MrD.
