I haven't heard any changes in the sound from my SHL5. I've bought them new last June and played them intensely since. The main changes I heard were with amplifier's matching. I had the chance to try them with Luxman L-505u, Sugden A21al, Nelson Pass "The Zen" and actually Luxman L-590AII.
About single wire, the owner manual suggests to connect them to the lower posts.
By the way, Merry Christmas to all!
About single wire, the owner manual suggests to connect them to the lower posts.
By the way, Merry Christmas to all!