Soundboard stiffness

[Ron Nossaman]

>  And since the soundboard is to act as a
>transducer, i.e.: converting string vibrations to
>airborne shockwaves exerienced as sound, is it not
>best that the board be stiffest in the center, and
>more flexible around the edges so that the maximum
>amount of string energy is converted in this way, and
>does not travel to the case?
>      Thump

If it's going to act as a diaphragm, it had better flex at the edges where 
it's glued down.

Ron N