Steinway "pinning" dilemma

[Don McKechnie]

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Horace,

Great to see you back on this list! I attended a demo of the spectrum analyzer as well. It indeed was an eye opener. Rick Baldassin assisted Chris during some of these classes. Jim, you might be able to get some info from Rick.

I wonder if the analyzer on the RCT could be used to test tonal production changes through pinning? A lot cheaper than a B&K but with less bells and whistles I'm sure.

Don McKechnie

> Subject:
>          RE: Steinway "pinning" dilemma
>     Date:
>          Fri, 10 Oct 2003 09:51:27 -0700
>    From:
>          Horace Greeley
>      To:
>          College and University Technicians
>
>
>
> Jim,
>
> At 08:51 AM 10/10/2003 -0600, you wrote:
> >List,
> >
> >Last week we were given a Realtime Spectrum Analyzer. We didn't know
> >exactly what to do with it. Hmmm... Anyone want to suggest some tests to
> >run?
>
> If Tim remembers Chris' mechanism more clearly than I do, maybe he can give
> you some details.  The thing that made that series of demonstrations so
> phenomenal was the ability to so precisely control the blow.  If memory
> serves, there is a pretty good engineering school at BYU - maybe some
> enterprising students could come up with something in their (copious) free
> time.
>
> I don't think that Chris would present his work as being the end of the
> experiments - rather, as places from which to begin.
>
> Pinning makes a difference.  Now you have precisely the toy, errrr, tool,
> to demonstrate that fact.
>
> I wonder, given the changes/advancements in computer technology since Chris
> did most of his work...perhaps there is a way to more graphically represent
> things, real time, as well as getting the numbers out.  The analyzer Chris
> used was a B&K, with numbered lights for a read out...very useful; but a
> little more difficult to immediately apprehend.
>
> Horace
>

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