[CAUT] Humidity swings & harpsichord

Jonathan Moberg jonmoberg at att.net
Wed Jan 5 12:38:43 MST 2011


Where are you located Kent? Here in Milwaukee our harpsichords might go up to 200 cents sharp. Often at the end of summer I find 10 or 30 strings broken. A room dehumidifier with a constant drain will work wonders. Lowering the pitch  100 cents has helped also. Raising the temperature of the AC into the upper 70's immediately lowers our RH in the UWM music rooms but somehow somebody always wants the rooms colder and clammier.

I too have a Hill & Tyre, 25 years old with the string breakage problems. Keith Hill Has told me it should be restrung every 7 (or was it ten) years and also that (almost? ) all his instruments are designed for 415 pitch. Unfortunately mine Does not have a transposing feature.

It seems that UW Parkside may have better humidity control than UW Milwuakee. I have found rooms as low as 5 percent and up to 95 percent. I don't think our new gov or chancellor will make controlling this a priority for 27 years and one HVAC 'upgrade' the humidity issue Has been ignored!
Jonathan Moberg





On Jan 5, 2011, at 1:00 PM, caut-request at ptg.org wrote:

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>   1. Re: scaling a Tyre harpsichord? (Kent Swafford)
> Dowd, no humidity control in building, easily tops 300 cents swing. We rarely get through the summer without some broken strings.
> 
> Kent
> 
> 
> On Jan 5, 2011, at 12:05 PM, Paul T Williams wrote:
> 
>> 300 cents rise or swing from flat to sharp?  300 sounds scary! I've probably had 200 cents total variation flat to sharp, but nothing that drastic from a440 
>> 
>> Paul 
>> 
>> 
>> 
>> From:	Kent Swafford <kswafford at gmail.com>
>> To:	caut at ptg.org
>> Date:	01/05/2011 11:55 AM
>> Subject:	Re: [CAUT] scaling a Tyre harpsichord?
>> 
>> 
>> 
>> 
>> More like 300 cents here.
>> 
>> Kent
>> 
>> 
>> On Jan 5, 2011, at 10:51 AM, Fred Sturm wrote:
>> 
>> > 100 cents is common for harpsichords with a 50% or more rise in RH
>> 
>> 
>> 
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