Not necessarily.

>>Is it some specific design philosphy that differs from others in some respect?

Yes, follow the link and down at the bottom of the page, Wayne has a white paper on the theory.

>>If I put together a speaker based on some of the stuff I read here, should I ask for a Pi decal to put on it?

I'll let the master tell ya.

>>What makes a "Pi-designed" speaker? What does this term mean?
See Wayne's white paper like I said above.

• Wayne's papers scroll to bottom of page