Been there, done that with stacked, teflon-insulated silver foils totaling 8-10 AWG. It sounds great and doesn't suffer any lack of LF.
http://db.audioasylum.com/mhtml/m.html?forum=cables&n=165056&highlight=silver+foil+speaker+cables&search_url=%2Fcgi%2Fsearch.mpl%3Fforum%3Dcables%26searchtext%3Dsilver%2Bfoil%2Bspeaker%2Bcables
IME, a final destination speaker cable at $800 cost of goods plus a long afternoon. Factor in an 8-10x COGs multiplier for an equivalent commercial product.
http://db.audioasylum.com/mhtml/m.html?forum=cables&n=165056&highlight=silver+foil+speaker+cables&search_url=%2Fcgi%2Fsearch.mpl%3Fforum%3Dcables%26searchtext%3Dsilver%2Bfoil%2Bspeaker%2Bcables
IME, a final destination speaker cable at $800 cost of goods plus a long afternoon. Factor in an 8-10x COGs multiplier for an equivalent commercial product.