Hi Alan, I see a very dramatic and positive difference with the bottom cover on grands (and I see better response from upgrights with a back cover too). I will not sell a grand unit without the bottom cover. Since you tuned and then installed the DC definitely the "sour" sound most likely due to the change in humidity. I have seen a damppchaser cause the pitch at A4 to rise 17 cents in less than 24 hours--and that was in the days *before* bottom covers. This may work in your favor since the store likely did not prep the instrument. Prep the piano because the store didn't. Have the pianist or other musician there and tune a unison and then tap the coil (pick one that is sloppy). This will make them believers. Charge your full tuning rate for this extra time. Jon Page recently posted an excellent email on the process he uses--search the archives and find it. At 08:52 AM 12/31/2002 -0600, you wrote: >Okay .... responding ..... > >1. Was the piano "prepped" at the store by tapping down the strings at the >hitch pins and tightening the coils? > >Ans: Have no way of knowing. > >2. How much did you change the pitch? > >Ans: About 10 cents, with a separate PR tuning (Sanderson method with ETD) > >3. I generally find that 8 tunings are about enough to stabilize a >piano--that's *if* they control humidity. > >Good, good ... okay ... > >4. How long after the DC install did you do the tuning? I prefer to wait a >month if at all possible. > >Ans: Tuned 11/2, installed DC 11/26 (after). Would this have thrown it so >much? > >5. Did you put on a bottom cover? > >Ans: No. Haven't bought any with a cover, yet. Are people seeing a real >difference? > >Thanks > >Alan > > >> At 11:31 PM 12/30/2002 -0600, you wrote: >> > Steck baby grand bought new about 12 months ago. Owner didn't play it >> >much and probably never had it tuned after delivery. I tuned it and >> >installed a DC when new owner bought it in November. One month later, >owner >> > says some of the notes have gone quite sour. Will see it tomorrow. Any >> >chance this piano is still suffering the New String Stretchies? Alan >> >Barnard Salem, MO >> >> Regards, >> Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. >> >> mailto:pianotuna@accesscomm.ca >> http://us.geocities.com/drpt1948/ >> >> 3004 Grant Rd. >> REGINA, SK >> S4S 5G7 >> 306-352-3620 or 1-888-29t-uner >> _______________________________________________ >> pianotech list info: https://www.moypiano.com/resources/#archives > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > > Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. mailto:pianotuna@accesscomm.ca http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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