I sorta know the basics on that Pano, it still sounds like a horrid idea to me.

If I was going to do 604 on open baffle, i would use a regular sub.

But then the old saying about opinions.

I have to admit not being an open baffle fan. the only ones I have liked have been HUGE (caps for emphasis).

For the cost/effort I think I could do WAY better.

Yer mileage may vary and all that.