Sometime we want to believe so strongly that the piano is still tuneable that we forget it is basically not ! Not always the good service to the customer , we certainly should live from time to time saying the piano may be repaired, even (and more probably) with old customers of ours :>( Best regards Isaac OLEG Entretien et reparation de pianos. PianoTech 17 rue de Choisy 94400 VITRY sur SEINE FRANCE tel : 033 01 47 18 06 98 fax : 033 01 47 18 06 90 cell: 06 60 42 58 77 > -----Message d'origine----- > De : pianotech-bounces@ptg.org > [mailto:pianotech-bounces@ptg.org]De la > part de Clyde Hollinger > Envoye : samedi 19 avril 2003 00:31 > A : Pianotech > Objet : Re: "Tuned" Pitch Drop > > > Terry, > > Do you tune all unisons as you go? If you do, I don't have > an answer. > > But if you do one string for each key and then do the > unisons afterward, might it be that those tuning pins > slipped before you did the unisons, and you then tuned the > other string to the incorrect lower pitch? > > But that's no good, either, if the phenomenon just occurred > in the last week or so. Is this her only piano, or does > she use it only sporadically and maybe just didn't notice > the flat notes until now? > > This week I tuned a 1911 Knabe grand piano that had very > loose tuning pins scattered throughout (needs a complete > rebuild it will never get, I reckon). I've tuned this > piano every six months since 1997, and it never had the > problem to this extent before. Sometimes we have answers, > and sometimes we don't. Sorry. > > Regards, > Clyde > > Farrell wrote: > > > I got a call from a piano teacher - a regular customer - > yesterday with a 70 or 80 year old Baldwin L. The last > several tunings I have been warning her that numerous > tuning pins appear to barely be holding and sometime soon > we will likely have to do something about that. Last tuning > I actually had to tap in a few pins to get them to hold > (maybe three months ago). > > > > She calls yesterday and says that several bass strings > are way flat and she just can't play the piano like that. > We go over options to repair loose pins. She's not ready to > restring (piano needs it), so we decide to go with CA glue > on pins. So I check out piano. Indeed, nine bass notes > ranged from 25 to 60 cents flat (every other note on piano > was within a cent or two of target - a few bass notes were > a tad sharp - likely in response to the few notes going flat). > > > > BUT - five of these notes were wound bicords. AND BOTH > STRINGS ON ALL FIVE NOTES WERE EQUALLY FLAT! I'm saying > that the notes that were 25 to 60 cents flat had perfectly > tuned unisons. Obviously, one would think that pins letting > loose would be an arbitrary occurrence - one here, one > there. It's almost like someone that knew how to tune a > unison but not an octave tried to "fix" the tuning. I asked > her, and she said no one has gone near the piano with a > tuning wrench (maybe I should have asked about vice grips!) > since I was last there. > > > > Anyway, anyone have a reasonable explanation how this > could happen? Boy, I don't know what the odds are against a > random occurrence like this, but I'm sure they are not > quite as good as winning the lottery. > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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