The speakers I built turned out really nice. MDF with a solid walnut face, a 1" slot port along the bottom of the walnut panel face. The reason I gave it 3 stars is that I missed out on a very relevant part of learning DIY speaker building because of missing theil small numbers. Maybe that has to do with my inexperience. But winisd either doesn't work at all, or is too complicated for a beginner, when you don't have the complete set of Theil Small numbers. As such, I didn't learn very much [...read more]