The Quad 988s are mounted on solid granite bases (bought at a outdoor landscaping shop) and bolted on. each base weighs around 75lbs and stands a little less than 16" tall
The power in the room for the system is dedicated and consists of 10ga Romax ran in grounded copper pipe for shielding & pleasant look;)
The whole room is subterranean with cinder block & brick walls with birch panels (for resonance breakup & mounting album covers).
The ceiling is suspended birch panels (insulation affixed to the non-visible side) with insulation panels above affixed to the upper joists.
The floor is terra-cotta over concrete.
the room is 12' X 24' with the Quads 3' off the front wall and the listening chair 18' off the front wall.