Post #2047842

A quick note on the turntable platform - I use a piece of granite, since it's basically free in this area of the world. Granite has wonderful mass and is also quite stiff, but it will "ring" if it's not damped. You can affix some dynamat or something to the bottom, that's probably already plenty. If you're insane like me, find yourself a piece of Aluminum Composite Panel (ACP), and bond that to the bottom creating a constrained layer damper with different density materials to avoid resonances in the audio spectrum. You can't see it at all.