Skip the sandbox, it has no magic quality and it only adds mass. The box is enclosed in a solid-to-solid connection with the sides, so transfers throughout the platform. You can read the "theory" on audiav's website for more information.
The best materials for shelves: VERY THICK
Hardwood crossed (like Boos) butcher blocks
MDF
Corian
Acrylic
Marble
Granite
Quartz
Zirconia
Diamond
Compressed Graphite
Layered Composites... in that order :)
The best materials for shelves: VERY THICK
Hardwood crossed (like Boos) butcher blocks
MDF
Corian
Acrylic
Marble
Granite
Quartz
Zirconia
Diamond
Compressed Graphite
Layered Composites... in that order :)