From what I hear Raven builds some very nice ribbon tweeters with 95db to 100db efficiency and they mate well with PHL drivers, some of their mid/woofers have 93db efficiencies. E-speakers.com has images of both and kits, if the diy route is something you would also enjoy (the few commercial designs to my knowledge with the ravens are $10k+ since the tweets are $200 to $1,660 each). Zalytron also carries the ravens as does gr-research.com with kits too. I don't like focal a whole lot, at least compared to other stuff for the money, but they also have some very efficient speakers from the audiom and utopia line, about 95db (I'm talking of buying the raw drivers). Both are standard electrodynamic transducers so you won't have to deal with the size of horns, which I've never been a big fan of, although some swear by them. Welbornelabs.com has dozens of high efficient speakers on there links page with horns for those who insist. If anyone knows anything more on the ravens and the phl's let me know since I'm very interested in them?
