My model of loudspeaker should be more efficient...the best I can do with God's help.

The distance between the Helmholtz resonator and the horn throat is approximately the same. (blue line.... Not enough to matter and is better than the bottle neck in Graham Holliman's patent)  It has taken me since 2006 to understand how Graham's loud speaker works. Well.... I understand it enough  now to where God could lead me in the basic structure like Moses construction of the temple.


upload images