At 01:36 PM 3/23/2002 -0800, you wrote: >I install lots of de-humidifier/humidstat "partial" systems in my neck of >the woods, (Beach area of SO CAL) where the average humidity is 50-100% >for most of the year. My question is: when installing this system in NEW >pianos, which is almost always the case, I really need to do a signifcant >pitch raise to at least A442, even if the piano is already at A440. I do >this because i know, from experience, that the dehumidifier will "leach >out" excess moisture from this new piano, which is in a generally high >humidity environment. In addition, the new piano wire will also settle and >stretch, so if i tune it where it is, at A440, it WILL be waaaay flat when >i come back, even in 3 months. >So, I'm having a little dilemma trying figure this one out; the company >will NOT pay me to pitch raise a piano if it's already at A440 (Warranty >tuning), so then the only alternative i can see is to charge the customer >when i come back in 3 or 6 months for the pitch raise it WILL need. I'm >curious as to what other's would do in similar scenarios. Thanks in advance! > >Terry Peterson >Terry You can safely raise the pitch four cps without drastically affecting the outcome of the tuning. Regards, Jon Page, piano technician Harwich Port, Cape Cod, Mass. mailto:jonpage@attbi.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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