Author: kdk ★2017
Date: 2018-08-12 22:21
Ken Lagace wrote:
> >>>....and they shall provide the basic facing dimensions. :-)
>
> And there are many ways to measure. :=/
> Here are the measurements for the Brad Behn Vintage II I am
> using.
>
> (21)
> 0
> 2
> 2.5
> 4
> 7
> 9
> 10
> 11.5
> 12.25
> 14
> 15
> 16.75
> 19
> 21.5
> 23
>
> I bet even Brad couldn't make sense of these numbers.
Well, it should be obvious (as I'm sure it is to Paul A.) that for any set of dimensions to be meaningful there either would need to be a standard set of numbers to compare them to, or one would need to know what instruments were used to get the measurements that are provided. I could, for example, easily enough compare your numbers to those of any of my mouthpieces if I knew (and wanted to buy) the feeler gauges you've used. Since the "(21)" looks like a tip opening, I'd need to know what unit of measure it is, since, given that it's a clarinet mouthpiece, it doesn't look like either a standard millimeter or milli-inch measurement usually found on tip gauges.
I don't think the issue is that the numbers are meaningless *for comparison's sake* but that the same facing on two mouthpieces with different enough internal dimensions may play very differently and/or will play their best with differently profiled reeds.
You may prefer the way a close-tipped facing responds and want to rule out a very open facing because it's too far from what you're accustomed to for comfort. Likewise, a facing that measures 14mm (28 on a Brand glass) with a .0015" feeler can be expected to have a predictably different response from one that allows the feeler to slide all the way down to 38 or even 40. So I would definitely like to know in shopping for a mouthpiece what the nominal tip opening and curve length (with the .0015" feeler as the standard) are (many mouthpiece makers do provide these) only to prevent my wasting time and shipping costs trying mouthpieces that are radically different from what I'm used to. But it's just as true that knowing, as a shopper, the measurements for the whole curve won't tell me much about whether or not I'll like mouthpiece or, really, how I can expect it to respond.
Karl
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