Oh, OK -- so, one isn't really "cracking" a unison, but rather, refining the temperament. --David Nereson, RPT ----- Original Message ----- From: "Ryan Sowers" <tunerryan at gmail.com> To: <pianotech at ptg.org> Sent: Wednesday, April 13, 2011 9:49 AM Subject: Re: [pianotech] "cracking" the unisons > Cracking (or shimming) the unisons is a way to move an entire > unison up or > down a very slight amount for fine tuning. Lets say you have a > 3rd that you > want to be just a tiny bit faster or slower. You mute out one > string of the > unison and leave two open. You move one open string so that > the two strings > have the slightest whine or out of phase sound and then bring > the other one > up or down to match it. Then bring in the third string. > > On Tue, Apr 12, 2011 at 11:46 PM, David Nereson > <da88ve at gmail.com> wrote: > >> Re: Ben Gac's article in the most recent Journal: What >> actually cracks >> when one "cracks the unisons"? I know, I know -- it's an >> expression -- but >> what in the actual procedure gave rise to the use of this >> phrase? I still >> don't see how it differs from tuning beatless unisons. >> --David Nereson, RPT >> > > > > -- > Ryan Sowers, RPT > Puget Sound Chapter > Olympia, WA > www.pianova.net >
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