Some time ago I built a pair of Line array OB using the PE NSB 4" woofer . I thought it sounded great. I was just looking at these and wondering if they might make a good OB design as well. Maybe 16 a side?
3" x 5" Ribbed Paper Cone Shielded Woofer Speaker 299-286
3" x 5" Ribbed Paper Cone Shielded Woofer Speaker 299-286