The downside to bare copper is its reactive properties; it will react with acids, ... Though it's more difficult to line copper with stainless steel, which might push up ...
But the Monoprice 2747 12 gauge is the speaker wire I'd buy. ... The 2747 offers excellent value, solid construction, and, perhaps most ... cross section of 3.0 mm square, which is the proper value for solid copper AWG 12, but ...