I am running pretty high end stuff and I have a mix of copper and kcag. I use kcag off my carry 303/300 cd because it is a bit brigher but also use hero and copper else where to for other componment that are brigher to tone them down. Just depends wht you like. I would say they are a very trasparent cable and more comes through which makes them sound bright. So yes they can be considered brigher than copper. Given your system I would stay with copper just because it is silver doesn't necesserly make it better for your system.