I use stair flats, 3/4 butcher block black oak, with 1/8" red oak veneers and a 1 x 1" red oak toe kick. I can swap the top and use, 121.124 Thoren, Any of the Russco, Sparta, QRC, Garrard 301, 401..
Then I uses a good BR high bubble count, to line the interior, of the plinth and underside of the TT, everything.. Long panels, double up.. Dead silent... Green concrete... Heavy with TT 45-65 lbs
Then I uses a good BR high bubble count, to line the interior, of the plinth and underside of the TT, everything.. Long panels, double up.. Dead silent... Green concrete... Heavy with TT 45-65 lbs