Rockport makes some heroic cabinets and other high end brands competing for the same dollar are making inert cabinets. I had a pair of usher be20 dmd’s 285 lbs each that The previous owner replaced the spikes with flat plastic tiles to ease sliding around. I peeled the tiles off and installed the spikes and the bass quality went from a 3 to a 7 in regards to speed and detail. Same cabinet. If aluminum is your thing, cool, but there’s other designs equally capable, just check magico’s website
