Kawai GS-70

[David Andersen]

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on 5/14/04 3:04 PM, Cy Shuster at 741662027@theshusters.org wrote:

David,
 
I assume you're raising the keyframe in step 4?
A bit. And deepening the aftertouch.  A bit. In fact, that's how I do the
adjustment sometimes---
by feeling the aftertouch increase and turning the glides past the "normal"
point until the notch, or aftertouch, gets a little crisper and feels right.

A quarter turn is a fairly big adjustment.
Really? OK. Then a 1/5 turn. <g>

 Any thoughts why this works?
Lotta thought, no clear answers. Lotta skeptical laughter and proto-derision
when I tell other
techs that I do this "extra-tight" bedding in flexible-frame Asian pianos.
Then they try it.  It just adds so much subtle resonance in the piano,
especially in the so-called killer octave area to the top of the piano.
Don't scoff until you check it out.

I'd think a more-solid contact with the keybed would reduce energy loss and
improve sustain.
I think so too; my more engineer-type colleagues & friends don't buy that,
but I really don't care why it works right now; it'd be interesting at some
point to know why, but not necessary, for me, at any rate.

----- Original Message -----
From: David Andersen <mailto:bigda@gte.net>

4) bed the keyframe, then add an extra 1/4 turn to each glide bolt.



Hope this helps; be good down there in the boondocks, Cy........

David Andersen


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