Humidity and Floating or Forking

Vanderhoofven dkvander@clandjop.com
Thu, 29 Aug 1996 11:50:06 -0500


Dear Friends,

(Newton, thank you so much for your information about dampers... some of it
I already know, but it is good to be reminded of it again!)

My question is about whether to tune pianos to A-440 or to let them float
somewhat.  I know this has been covered in the list previously, but I would
like to hear from technicians who work for a college or university.

Last semester I tuned four pianos for our local college, sort of on a trial
basis.  Friday, I got to tune one of the two Steinway D's that are used for
concerts.  On Friday, the temperature in the auditorium was about 74 F and
humidity was about 66% RH.  The piano was about 25 cents sharp, and this
surprised me, because I know that in April, this piano was tuned quite a few
times right on A-440. (Thanks Kent!)  (Also, this Steinway D is stored in a
humidity controlled room... so it really surprised me that it should be that
sharp.  Does anyone have any experience with this?)

Because this tuning was for a vocal concert, I lowered the pitch to A-440
and then tuned, and turned in an invoice for both the pitch correction and
the tuning.  The music department head and I discussed my fee, and arrived
at a fair discount, but he requested that I discuss with them BEFORE tuning
if there is to be an extra charge for a pitch correction.  SO...

Which pianos absolutely NEED to be tuned to A-440 every time, and which ones
can be left to float with the seasons?  So far, I have tried to tune every
piano to A-440 as I come to it, with a few exceptions.  Does anyone have a
written policy that you use with your music department about this matter?

Here is a list I came up with:
Concert pianos: A-440
Teacher's studio pianos: A-440 (or perhaps float?)
Practice room pianos:  Float

The good news is that I just got called to tune 5 more pianos for our local
college, and they will increase my fee by $5.00 per tuning!  The music
department is giving me an open ended purchase order, with the request that
I put that P.O. number on any invoice I turn in.  I would like to correspond
with any university techs who have an interest in answering my questions as
they arise!

Thanks!

Sincerely,



David A. Vanderhoofven
dkvander@clandjop.com
Joplin, Missouri, USA
Associate Member, Piano Technicians Guild
web page:  http://www.clandjop.com/~dkvander/
*****P.S.*****  The web page is finally up again!





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