Go to Madisound online .Supra from Sweden topcables is around a awg11
use a 5- 9s purity Copper over 200 strands and each indiividual strand is Tin plated to eliminate oxidation , as well as microarching according to their engineering guide between strands .this method has been used for decades in Europe. It sounds very good I just rewired my Loudspeaker with this .it also twists the wires in ahelex withCotton string on 2sides for antivibration then an outer thin plastic outer type jacket. For around $400. This has won Many awards in Europe ,but speaking of this top model.
use a 5- 9s purity Copper over 200 strands and each indiividual strand is Tin plated to eliminate oxidation , as well as microarching according to their engineering guide between strands .this method has been used for decades in Europe. It sounds very good I just rewired my Loudspeaker with this .it also twists the wires in ahelex withCotton string on 2sides for antivibration then an outer thin plastic outer type jacket. For around $400. This has won Many awards in Europe ,but speaking of this top model.