Permanent Soundboard Crown!

[Richard Brekne]

Grin...

Funny how we keep running into this from so many places isnt it ?  You 
simply have to wonder :)

Cheers
RicB

Farrell wrote:

> From the Kawai US web site - enjoy!
>  
> *The Drying/Re-Moisturizing Process.* Kawai employs an inventive 
> method to create a permanent soundboard crown. The process begins as 
> the soundboard is literally "shrunk" using a super-drying process 
> which removes moisture to a level below 5% Equilibrium Moisture 
> Content (EMC). While the soundboard's size is reduced, flat ribs with 
> normal moisture content (6-8% EMC) are carefully glued to the top of 
> the soundboard. As it gradually begins to receive moisture, the 
> soundboard expands to its original size... but the non-expanding ribs 
> force the creation of a natural curvature which becomes the soundboard 
> crown.
>
> *Full Length Ribs.* Kawai's spruce ribs span the full length of the 
> soundboard. Kawai engineers have devised a technique for strategically 
> placing ribs in order to direct sound energy to the most responsive 
> areas of the soundboard. This helps balance bass and treble and 
> enhances both power and tone quality.
>
> Permanent crown? How long is permanent? Strategically placed ribs? 
> Direct sound energy?
>
> Terry Farrell
>