After trying it myself, I wouldn't advise to use vaseline. It will eventually creep under the V-bar and on the hammers. White or fish glue works better and doesn't creep. Marcel Carey, RPT Sherbrooke, QC At 16:48 97-09-25 -0400, you wrote: >Hi Rob -- > >Sometimes much of the noise you've described can be reduced by putting >something on the strings in the front duplex. Some people use vasalene or >other forms of non-drying goop. Some people put on a few coats of clear >nail polish. The theory is that the stuff prevents only some of the >partials from coming through so that the overall tone of the notes in >question is not completely killed as you noticed with muting off the front >duplex. It's frustrating, I know ... hope this helps. > >ZR! RPT >Ann Arbor MI >diskladame@provide.net > >---------- >> From: Rob Kiddell <atonal@planet.eon.net> >> To: pianotech@ptg.org >> Subject: Capo bar noise >> Date: Sunday, September 21, 1997 3:56 AM >> >> Greetings list, >> >> I'm currently working on prepping a new Baldwin L grand (6'3"), and >> there is a problem with excessive high partial noise from the first >> section of strings above the agraffe section. Simply put, it is an >> excessive high partial ringing that is absent in the agraffe section, >> but becomes immediately apparent in the Capo bar section. This noise >> is so harsh as to qualify for ear protectors on a ff blow. It is >> amplified by the front duplex section between the Capo bar and the >> first plate ridge past the tuning pins, but muting this kills all >> high end frequency and leaves the section lifeless. Hammers are hard, >> but voicing (I've tried several approaches) only diminishes the >> overall hammer volume, the amount of the high end noise remains >> consistent with the overall volume of the note, either mellow, medium >> or bright. This noise is also evident when the string is plucked, so >> I feel hammer voicing is not the solution. I have seen this problem >> before on Baldwins, but strangely enough, the identical 6'3" piano on >> the sales floor exhibits none of this "noise", yet the front >> duplexing section on this piano is amplifying high partials as it >> should. >> I have spaced strings along the capo bar, streched >> strings, seated strings, muted strings, yet everything seems to come >> back to the Capo bar. Before I begin filing the Capo bar, are there >> any thoughts out there regarding this or similar problems? >> >> >> Rob Kiddell >> R.P.T., P.T.G. >> C.A.P.T. Student >> Edmonton, Canada >> http://www.planet.eon.net/~atonal/atonal.html > >
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