bridge pin placement

Don pianotuna@accesscomm.ca
Mon, 06 Oct 2003 07:22:35


Hi Patrick,

The vertical length is not the same as the horizontal length. This note
will ring at two pitches at the same time. In the trade we call that
"false". It makes it hard to tune acceptable unisons.

At 08:37 AM 10/6/2003 -0400, you wrote:
>We all know that bridge pins should bisect the bridge top-bridge notch 
>edge. I am finding myself a bit tongue-tied in trying to explain the 
>exact problems (and aural symptoms) that occur when this ideal is not 
>met. I'm not talking about a pin being way, way out on the notch, 
>rather just barely touching the edge (or vice versa). Anyone have a 
>nice clear explanation that will help me be more eloquent when trying 
>to explain this to a customer who has asked me to evaluate a new 
>upright for his purchase?
>Thanks,
>Patrick Draine
>
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives
>
>

Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.

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