Well your C3 examples are the perfect illustration- identical pianos tuned at the same time. Unless you are stopping by the bar before tuning the pianos that end up horrible, the stable pianos give proof that you are giving a stable tuning. No outside influence I'm aware of will take a poor tuning and make the unisons stable. But we know the converse is true: outside influences can and do take a relatively solid tuning and destroy the unisons. Dean Dean W May (812) 235-5272 PianoRebuilders.com (888) DEAN-MAY Terre Haute IN 47802 _____ From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Terry Farrell Sent: Tuesday, March 09, 2010 11:21 PM To: pianotech at ptg.org Subject: Re: [pianotech] Further explanation: How long do unisons hold? That's what can be confusing. Some pianos, such as those that I tune on cruise ships (Yamaha C3s) I see every two weeks. Some are pretty good after that time and some are horrible. The other end of the spectrum is a lady who has a Baldwin Hamilton (maybe 1970 or so) and the once per year that I see it, I often start out - after an initial listen - wondering why she wants to tune it - the darn thing is sooooooo stable. Seems hard to judge. Terry Farrell On Mar 9, 2010, at 8:43 PM, Dean May wrote: A good check on yourself is to look at the pianos you regularly service. When you find a lot of unisons still fairly decent after 6 to 12 months, pat yourself on the back. You are doing a good job. Some pianos are awful in that amount of time of course. I comfort myself with the knowledge that lots of pianos I tune regularly are not. I know that my tuning skill can produce a moderately stable tuning because I've seen lots of these among my clientele. So for those that go awful, chock it up to environmental/other issues. Dean Dean W May -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100310/d1acc557/attachment.htm>
This PTG archive page provided courtesy of Moy Piano Service, LLC