Excerpted from "An Approach to Tailoring Sound in Classical Guitars" by Robert Ruck, from his 1992 GAL Convention lecture:
question - "have you done experimenting with the outside shape of your instruments, like in relationship to the upper and lower bouts?"
Ruck - "...I've consistently built instruments I believe are proportionately balanced... I've never built a guitar with gross radical differences. Please, someone, do that! Build a guitar and put the neck on the bottom..."