This is a WBF library thread on best papers/presentations on speaker design.

I will keep updating this first page with all the suggestions.

Robert Harley overview on speaker technologies:

Our own Dr. Geddes on speaker design philosophy he uses:

Paper on design and benefits of planar speakers from Wisdom Audio with intro to other types of speakers:

Pretty technical paper but nice analysis showing that inductance of drivers changes with amplitude:

On Voicecoil design material:

Harman paper on subwoofer placement: