I did no comparison within the Siltech line up but I did do an A/B against comparably priced Accusound speaker cable which I do own. Accusound mostly unknown in the Audiophile community but well regarded in Pro Audio studios. It took no time to know these are special. Now On order
680L speaker cable and interconnects. Accousond is a silver copper blend and I thought the Siltech being almost all silver would sound too bright, on the contrary. Next up I am going to Demo the 880L speaker cable against my Transparent Gen5 Reference cable in my other system.