The only reason there is, I assume, is a major difference in humidity. There can be no other explanation. An instrument does not change overnight except for climatical conditions. André Oorebeek On 15-apr-04, at 14:12, Greg Newell wrote: > André and Isaac, > Thank you to you both. I had been thinking along these lines. > I have suggested a Piano Lifesaver system to the music director and he > is hesitating because he doesn't want to see a cord hanging. My > assurances of a good, clean installation did no good. I also am > thinking of simply waiting out the "break in" period. I would hate to > see the director with egg on his face after somehow obtaining a > replacement piano only to have the same problem with it. I'm still a > little puzzled by the strong initial strike and then an immediate drop > in power. I find it difficult to describe too but perhaps picturing a > graph where the line starts high and shows a shelf representing the > strike and then an immediate drop and downward trend representing the > decay rate at a lower level than the strike. The only way I could > describe it was an out of phase reaction. Is that incorrect? > > Thanks Gents, > Greg > > > > > > At 03:22 AM 4/15/2004, you wrote: >> I confirm good results of DC system in a too humid (75%) place, the >> tone was really mushy, the board crowned, the keybed flatten, was a >> small Bechstein M in that case. >> The installation of DC saved the piano from this in a very short time. >> >> It is actually tuned once a year (last time the pitch drop was 0,3 >> cts ) The piano is not used extensively but regularly and often , as >> it is ought by a composer. >> >> I did not use the humidifier part, as it was not necessary. I >> installed 3 rods (1 under the keybed) >> I believe that having a better wood moisture content for the keybed >> helped as well the hammer after some time. >> >> Success at all levels. >> >> I even loose the opportunity to sell the lady new hammers , as long as >> it aint breake .... >> >> >> Best >> >> Isaac OLEG >> >> >> -----Message d'origine----- >> De : pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]De la >> part de antares >> Envoyé : jeudi 15 avril 2004 00:39 >> À : Pianotech >> Objet : Re: Grotrian lost it's singing tone >> >> >> Hi Greg, >> >> I think I know what you you mean. I have had similar experiences. >> It most probably has to do with temperature and humidity changes. >> Hammers are typical humidity gauges : they absorb moisture or release >> it. >> In both cases the sound may alter dramatically. >> And, as we all know, draft is killing an otherwise healthy and stable >> tuning. >> Then there is the matter of acoustics. >> I have worked for some time in a very famous but at the same time >> infamous concert hall and during that time I have gone through all the >> humidity and temperature changes you can imagine, including terrible >> drafts and stage lights. >> >> In the end, you may have to just cope with the way it is and make the >> best of it. >> My advice would be to let the instrument adjust to the space it is in. >> Usually instruments under those kind of circumstances become like dogs >> that you don't allow in anymore. >> They have to get tough staying outside all the time. >> Just treat them fair and with kindness and hopefully they will get >> used >> to it. >> >> P.S. wait with dramatic measures and remind yourself that if the >> instrument changes from one day to the other it has nothing to do with >> voodoo. >> >> >> friendly greetings >> from >> André Oorebeek >> >> Amsterdam - >> The Netherlands >> >> 0031-20-6237357 >> 0645-492389 >> 0031-75-6226878 >> www.concertpianoservice.nl >> www.grandpiano.nl >> >> "where music is, no harm can be" >> >> _______________________________________________ >> pianotech list info: https://www.moypiano.com/resources/#archives >> >> _______________________________________________ >> pianotech list info: https://www.moypiano.com/resources/#archives > > Greg Newell > Greg's piano Forté > mailto:gnewell@ameritech.net > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives > > friendly greetings from André Oorebeek Amsterdam - The Netherlands 0031-20-6237357 0645-492389 0031-75-6226878 www.concertpianoservice.nl www.grandpiano.nl "where music is, no harm can be"
This PTG archive page provided courtesy of Moy Piano Service, LLC