Tuning fluxuations

[carlteplitski]

Confused !!!   I thought that the A/C took moisture out of the air, 
therefore making things feel cooler.
If in fact that is the case, how come the piano goes sharp with less 
moisture in the air, thus lower
humidity ??   What am I not understanding.?

Carl / Winnipeg










Robert Finley wrote:

> Hello Michelle. What a coincidence to read your message because a 
> similar problem occurred here today. This morning a friend of mine who 
> is a flute player came to my house to do some recordings with me. She 
> asked me if I tuned my piano to A440 (which I said I did the night 
> before) because she thought the piano was sharp and the tuning 
> adjustment on her flute was at the end of the range. The air 
> conditioning was at full blast in my house. I have noticed that the 
> piano was going gradually sharp.
>  
> Robert Finley
>
>     ----- Original Message -----
>     From: Michelle Smith <mailto:michelle at cdaustin.com>
>     To: pianotech at ptg.org <mailto:pianotech at ptg.org>
>     Sent: Tuesday, May 30, 2006 8:25 PM
>     Subject: Tuning fluxuations
>
>     Hello all.  Curiosity question for you.  I have a Steinway S here
>     at the house that was tuned to A440 in February.  We've since
>     turned on the air conditioner and the piano has gone sharp about
>     12 cents.  This wouldn't be a problem except that I have a flute
>     student who can't push her head joint in any farther to be in tune
>     with my piano.  I'm probably going to retune the piano because I
>     don't think I can stand it any longer.   (I hate to mess up an
>     otherwise good tuning that was done by someone far more
>     experienced than myself.)
>
>      
>
>     So my question is this.  When you come to a piano that is sharp
>     this time of year, do you try to lower the pitch to A440 knowing
>     that it will probably drop significantly when the heat is turned
>     back on in the winter?
>
>      
>
>     Thanks for your words of wisdom.
>
>      
>
>     Michelle Smith
>
>     Student Tuner
>
>     Bastrop, Texas
>

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