treble fish on steroids

[Ron Nossaman]

> The fish is bonded to the rim to reduce the amount of soundboard area to 
> the rear of the bridge in the high treble. This increases soundboard 
> stiffness by the mere fact that the soundboard is thus smaller (which 
> is generally beneficial in the high treble) and eliminates excess high 
> treble soundboard area that appears to be of no value (and in fact 
> appears to be detrimental to piano tone and soundboard longevity).
>  
> Note to Ron Nossaman and/or Del Fandrich: I feel comfortable talking all 
> about how to build this stuff, but I lack confidence when I start to 
> talk about the how and why this or that affects a belly system. If my 
> two sentences above are faulty, please point it out for the benefit of 
> all (especially me!).

Well, Del's been fishing for considerably longer than I have, 
but that's essentially it by my criteria. Stiffness added by 
shortening the ribs, making the high treble soundboard 
diaphragm more suitable for high frequency response - a tweeter.
Ron N