I just acquired a pair of well kept, original owner Altec 846A Valencia's. I hooked them up to my system and, due to their old school binding posts, was limited to using a pair of Monster Cables that were showing green flecks of oxidation from languishing in the closet since my college days back in the early 80's. I was absolutely floored by how great they sound! Large/deep soundstage; I am hearing details in LPs and CDs I've never heard before. It was both exhilarating and slightly depressing in the sense that I was blown away by a speaker that was 45+ years old. I'm running them in a primarily Audio Research tube system, but I hope to pair these efficient speakers with a flea powered SET amp one day. Other than an eventual stripping and refinishing, these speakers are good to go and are keepers!