These r Betsy open baffle flat pack. Drivers r Decware modded Fostex 8" 206en's which were freebee's. Rubbed down with tung oil to even out the finish and make the grain pop. The open baffles are not the best way to use the fostex's, but was semi cheap and easy. The fostex's r easy to drive. A SET amp will give nice low to medium listening levels. Add a sub for full range sound. Fun DIY speaker project. Ed