@djones51 -
There are many ways to arrive @ 12ga, any of which may sound different or not depending on amplifier and loudspeaker.
read http://ielogical.com/Audio/CableSnakeOil.php paying attention to how various cable geometries interact with the same amp and loudspeaker topology.
I fail to see how anything more than a basic 12 guage speaker wire which the manufacturer recommends is going to matter
There are many ways to arrive @ 12ga, any of which may sound different or not depending on amplifier and loudspeaker.
read http://ielogical.com/Audio/CableSnakeOil.php paying attention to how various cable geometries interact with the same amp and loudspeaker topology.