[pianotech] 102 keys and 4 pedals???

[Ron Nossaman]

On 11/4/2012 5:34 PM, Encore Pianos wrote:
> Ok, thanks.  Ron:
>
> So the lack of stiffness in the panel is what creates both the "zingy"
> distortions and the flaccid sound of the board, in your estimation?

I think that's what's wrong with the sound, generally, and the tone 
falling apart at high attack levels.


> Would this be equally true for both the Stuart and the Steingraeber?

As I said, I haven't gotten to hear the Steingraeber in a quiet enough 
room to tell much of anything.


> The Steingraeber has an adjustable vertical hitch pin, so bearing can be
> changed with relative ease.  I did wonder if increasing the downbearing
> would have brought a more dynamic sound and improved the tone of that
> instrument.

What was the bearing set at when you heard it?


> It would be very interesting to be able to quantify what is there in terms
> of bearing, crown, rib and panel thickness, etc. so that I could have some
> numbers to correlate to what I was hearing.

It all comes down to stiffness and mass, however it's arrived at.
Ron N