This topic was spawned from the AR forum discussion of Dome Mids vs Cones.  Let me say first of all that I prefer AR 12 inch speaker systems over others because they have the sound qualities I like already designed into them which in turn makes them easier to set up for my listening preferences.    However there are at least four problems with owning 12 inch ARs :  The parts supply is diminishing  The price is climbing for complete functioning u