Nelson Pass has a side web site called FirstWatt.com where he discusses his, design philosophies, DIY projects, experimental circuits, and speaker design. He wrote about an open baffle with a slot loaded base design you may find interesting. Here is the article which is a fascinating read: http://www.firstwatt.com/pdf/art_slob.pdf
Good luck on your project!
- Steve
Good luck on your project!
- Steve