This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Pitch raising in order from A0 to C88 is more predictable, by about 8%, = because you know that all the tension on one side of where you're tuning = is going to be more or less correct, so you don't have to offset for the = effect of having that tension brought up.=20 Of course, on really drastic cases, like pianos that haven't been = touched in 15 or 20 years, I would just try to bring each string up to = pitch on a fully muted piano, and let it drop before I pulled in the = unisons, just to spread the tension out over the plate. In that case, = it's two pitch raises, and a tuning, and I see the piano in a month. = (And charge accordingly.) Kevin. ----- Original Message -----=20 From: Cy Shuster=20 To: Pianotech=20 Sent: Tuesday, January 06, 2004 7:08 AM Subject: Re: Old Bosie Is there really that much difference in cumulative string tension = between A435 and A440? (I know, I should do the math...) I'm aware that A435 = used to be the standard. Also, since the treble strings have more tension than the bass, why = does tuning in order from A0 to C88 result in the least overall = complications when doing a pitch raise? (I read this in the TuneLab documentation). Wouldn't you want to make the biggest tension adjustments first, and = the least last? --Cy Shuster-- Rochester, MN _______________________________________________ pianotech list info: https://www.moypiano.com/resources/#archives ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/aa/a3/54/2f/attachment.htm ---------------------- multipart/alternative attachment--
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