Interesting! That impulse response looks very good indeed. Still, I would like to see more measurements. Particularly on- and off-axis response and distorsion. Also, if you think of this as a complete system for 5500, you are already in the territory where you can find very good commercial systems, particularly if you choose the active route. The benefit of buying from large & evil capitalist corporations like JBL, Adam, Genelec, Focal, Dynaudio, Yamaha, etc, is that you benefit from economies of scale. So you get good quality for less.