What size and type of file? 8" mill bastard? Keith R ----- Original Message ----- From: "David Andersen" <bigda@gte.net> To: <pianotech@ptg.org> Sent: Sunday, September 08, 2002 6:11 PM Subject: Re: Capo shape question > > Hi Dave -- for those of us who haven't read the book what is the > >prescribed procedure and how would you describe the tonal improvement? > > Thanks>>>>Dale Erwin > > Hey Dale----before I answer, I want to thank you sincerely for your "work > the knots out of the shoulders" tip when voicing----it has made a huge > improvement in my ability to control tone. You da man. This list is > priceless. > > If the plate is out of the piano, it's easy. You'll see where the > strings have sort of machined into the soft iron, and that the > termination point is in a "U" shape rather than a "V" shape. Use a file > suitable for soft iron, and carefully work small amounts of material off > the capo bar until there's maybe a 1 mm termination, and the edge looks > like a "V." Pretty simple, and the procedure produces a much stronger > fundamental tone with either the illusion of more sustain, or more > sustain. Handy in this, the weakest speaking area of a Steinway(low > treble). > > You can also do it with the plate in by destringing the capo(we usually > do it in four sections, starting from the treble break) and doing the > same thing as above using mirrors and squeezing your head as far into the > action cavity as it will go---this is trickier, and takes more > skill----DON'T FORGET TO BE CONSERVATIVE. Sneak up on it. Don't take > off too much material. > > And that's it. If you need me to, when Steve Bellieu, my partner and > shop wizard, gets back in town > (9/10) I'll have him describe the procedure in greater detail. He's the > king of the "V." > > Best, David A. >
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