"Also I designed parts of my listening environment so that I don’t need some tweaks. I.e. Speaker wire lifters since my wires run under the 6" thick slab in a 11/2" pipe."
What is the advantage of running wires in a 1 1/2" pipe under the 6" slab?
What is the advantage of running wires in a 1 1/2" pipe under the 6" slab?