Original poster: "Ben Murrell by way of Terry Fritz <twftesla-at-qwest-dot-net>" <benmurrell-at-att-dot-net> Hello Everyone, I recently looked at my Static SG and realized that the copper bars are "grimy". They have a dull cover now with a hint of green. touching them did not dirty my hands, I just wondered if this will effect its performance at all. Thanks, Ben