Quickie Pitch Raise

[David M. Porritt]

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Terry:

Learn to do pitch raises without muting.  It's fiddling with all=
 the mute moving that takes the time.  With TuneLab Pro it is=
 really easy because the "spectrum display" shows a different=
 peak for each string so you can watch them go up individually. =
 I think 12 minutes is my record, but that sure beats the way I=
 used to do it.

dave

__________________________________________
David M. Porritt, RPT
Meadows School of the Arts
Southern Methodist University
Dallas, TX 75275


----- Original message ---------------------------------------->
From: Farrell <mfarrel2@tampabay.rr.com>
To: <pianotech@ptg.org>
Received: Wed, 14 Jan 2004 20:45:42 -0500
Subject: Quickie Pitch Raise

In my continuing effort to not spend all day at a piano doing a=
 pitch raise and a tuning, I have come up with the "quickie"=
 pitch raise.
 
Perhaps this is something that has been discussed before. I don't=
 know. But it is new to me anyway. I use it when the piano or a=
 section of the piano is generally less than 5 cents flat -=
 although I used it this morning on a little M&H (Aolean) console=
 (junk) that was up to 10 cents flat.
 
What I do is this: Let's say the piano is 6 cents flat on every=
 string. In the bass where I would normally do a 20% overpull, I=
 will pull the monocords up maybe 1.5 cents sharp (just the=
 normal overpull), the left string of the bicords up about maybe=
 8 cents sharp (bring the one string up sharp enough for both=
 strings), and the left string of the tricords up maybe 15 or 16=
 cents (enough for all three strings plus enough for the overpull=
 thing). By doing that, the total tension on the system is up to=
 A440. Therefore, when I go to tune on the next pass, I am not=
 making any overall pitch adjustments - I just set each string to=
 target pitch without concerning myself with overpull, etc. This=
 way the pitch raise goes very fast because you only adjust one=
 string - instead of three.
 
I am not a fast tuner, but the little trashy console I did this=
 morning was between zero and 10 cents flat. I tuned it at the=
 proper pitch (and I mean it was a real good tuning where all=
 notes were right where I wanted them) in 75 minutes.
 
I find that you don't really want to try this with a piano that=
 is more than 10 cents off pitch in any area. But for the piano=
 that is just a tad flat or that just has one section that is a=
 tad flat, this might be a quick good thing to try.
 
Am I reinventing the wheel?
 
Terry Farrell


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