you should look into finding info on a speaker made a number of years ago by Kindel.It was called the PLS-a. It was reviewed in the Ablosute Sound around 86 or 87. I had a pair and they were great! 16 1" dome tweeters and 6 6 1/2" poly woofers. very fast, very efficient, and very very dynamic. Great sound stage like electrostats. they were sort of a bang for the buck thing selling for about 2K a pair at the time. they didn't use real expensive drivers but man did they sing. I imagine that a speaker using current high quality drivers and InfiniCaps and great hook up wire would take you along way if you get the cabinet and crossover right. I do think this sort of thing can come out as a very low impedence load if you arn't careful.Best to have a stable amp.