I'm familiar with the process. I misunderstood-understood your post and thought you were talking about a source for new agraffes. Tom Servinsky ----- Original Message ----- From: <david at davidandersenpianos.com> To: "Pianotech List" <pianotech at ptg.org> Cc: "Pianotech List" <pianotech at ptg.org> Sent: Saturday, April 01, 2006 6:02 PM Subject: Re: Baldwin SD > It entails chucking up Q-tips in a drill, and polishing the agraffe holes > with them them. There was an article last year in the Journal written by > Paul Revenko-Jones, with very groovy pictures and everything. > Labor-intensive, but if you've ever encountered those agraffe zings > Avery's talking about, especially in a recording studio, as I have twice, > you start to see the value of preparing agraffes. > > The best to you, my brother...... > > DA > > > > >> David, >> Enlighten me about the Revenko-Jones-Protocol-prepared agraffes. I'm not >> familiar with them. >> Tom Servinsky >> ----- Original Message ----- >> From: <david at davidandersenpianos.com> >> To: "Pianotech List" <pianotech at ptg.org> >> Sent: Saturday, April 01, 2006 5:29 PM >> Subject: Re: Baldwin SD >> >> >>>> List (& especially any of you major rebuilders out there), >>>> >>>> Do any of you have any direct experience with an SD-6 #118127 (1952 I >>>> was told)? >>> >>>> My question is, there is a tone problem in the middle agraffe >>>> section. (It's so hard to describe >>>> sounds in an e-mail.) The dealer kept saying he thought it was >>>> primarily a hammer fitting/string >>>> leveling problem. Yes, there is some of that that needs to be done. >>>> But I believe it's a problem >>>> in the agraffes themselves. This isn't a hammer fitting type of >>>> sound. It's a distorted/zinging >>>> kind of sound. Like a termination problem or something not seated >>>> well. >>> >>>> Am I on the right track about the agraffes? Thanks. >>> >>>> Avery Todd >>> >>> Yup, I think you are; I've had the same thing happen on a couple >>> different >>> pianos with original agraffes---kind of a metallic "emphasis" on a >>> certain >>> overtone in the note played and exacerbated by volume. >>> >>> Here's what fixed it, TEMPORARILY, for me: let the string down one >>> quarter turn; the kink or bend in the string as it enters the agraffe >>> needs to be "massaged" to a point where it's "straighter." >>> Do that, return the string to tension, listen and repeat until the sound >>> diminishes. The real fix? Obvious. Restring the entire piano with >>> new, >>> Revenko-Jones-Protocol-prepared agraffes. >>> This would seem to be a great leverage point in the purchase price. The >>> strings are 50 years old; they're done, especially for a school >>> application. Sounds like a no-brainer to me. >>> Have fun. >>> >>> David Andersen >>> >>> >>> >>> >>> >>> >> >> >> > >
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