Bsimpson, all those secrets have long been discovered. There are only differing approaches to the same problems. Magico uses aluminum and Wilson composites, some use no enclosure at all. Paper, beryllium or diamond. With the drivers available on the market, access to a shop and testing devices you can throw on any computer you can make a first class speaker. Get digital cross overs, bi or tri amp and you can get to a totally new dimension for way less money than the equivalent Focal or Wilson.