According to BBP6, each Type-R should be able to handle up to 510 watts each in the 1.25 ft^3/sub enclosure (mechanically, before exceeding Xmax) ... Only 415 watts each in the 1.5 ft^3/sub enclosure (mechanically) ... 680 watts @ 1 ft^3 ...
took me awhile to figure this part out...but i get it now
