Since a beat that takes 20 seconds to occur might give the illusion of longer sustain, it is possible a tuner might favor this in tuning unions. But this is no where near 2/3 beats per second mentioned below. That is how much a fifth has to be flattened to get ET. Someone's ears or figures are off. ---------- > From: Pianosold@AOL.COM > To: pianotech@ptg.org > Subject: Re: Unison beats good? > Date: Thursday, November 05, 1998 1:43 PM > > List, > "Even the unison strings of a piano sound better when de-tuned to a minute > degree (app. 2 cents total spread, corresponding to 2/3 beat per second @ > a440). Fortunately a good piano tuner attempting to achieve true unison gets, > on the average, a similar result" > > Dr Daniel W. Martin > H D Baldwin Co > Tech Jo. April 1964 > > This interested me greatly because I had always considered my unisons to be > beatless, when they were right - if you know what I mean. However, when one > talks to an organ tuner he will say that he can wait 20-30 seconds or more for > a beat! This leads me to believe that there is truth in the above. > > Any thoughts greatly appreciated > > > Rob Thornton > UK >
This PTG archive page provided courtesy of Moy Piano Service, LLC