post pitch-raise creep?

David Ilvedson ilvey at sbcglobal.net
Sat Jul 8 07:44:31 MDT 2006


Terry,

Are you tuning unisons as you go?

David Ilvedson, RPT
Pacifica, California



----- Original message ----------------------------------------
From: Farrell <mfarrel2 at tampabay.rr.com>
To: "Pianotech List" <pianotech at ptg.org>
Received: 7/8/2006 2:38:29 AM
Subject: Re: post pitch-raise creep?


>I use a VT also Andrew, and I find that the upper end of your percent ranges 
>work for me in the tenor and treble. However, I find that the bicord bass 
>needs closer to 25% and for whatever reason - I certainly don't understand 
>it - the monocord bass needs about 40%. I know, I've never heard of anyone 
>using that much overpull in the low bass, but for whatever reason, if I 
>don't, it'll come out flat. Strange.

>Terry Farrell

>----- Original Message ----- 
>>I find I have to modify the overpull target percentages to fit the piano I 
>>am working on.  Little pianos (upright) don't seem to like much overpull. 
>>Concert grands on the other hand want a whole lot of overpull.  Typically I 
>>find that 10 - 18 % works well on the bass bridge, wound wire and 20 -28 % 
>>works well in the tenor and lower treble.   Generally switch to 30 - 38% in 
>>the high treble, especially after the dampers stop.  Verituner BTW
>>
>> Andrew Anderson 


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