[CAUT] Weights vs Riblets in an S&S D

[Ron Nossaman]

> Would the use of riblets improve this situation?  I clamped a small grip 
> on a bridge-pin and did not notice a difference here and so didn't 
> explore soundboard impedance any further.  Perhaps stiffness and 
> reducing the resonant frequency a little would help?

Sounds to me like a classic killer octave description, 
courtesy of a compression crowned and (inadequately) supported 
soundboard. The problem is most likely lack of stiffness, and 
mass loading won't fix it, nor will new hammers of any make. 
Riblets might, and are certainly worth a try, even though it 
means drilling holes. A RC&S soundboard, with elimination of 
the tuned front duplex certainly would, but that's in a 
somewhat different price range.

Ron N