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 Re: The balance of mouthpieces
Author: kdk ★2017
Date:   2018-02-26 07:46

Brad Behn wrote:

> Additionally most machine-faced mouthpieces (typically
> Vandoren, Zinner, Selmer) offer a concavity which can be seen
> from both orientations – longitudinally and horizontally.
> This isn’t necessarily meant to be a feature, as I haven’t
> heard anyone from those firms advertise as such, however it is
> certainly the result of their manufacturing process (as I
> mentioned in my previous post). And if the horizontal
> concavity is too deep, it will for sure dull the response. But
> far more influential in response is when the facing cutting
> process creates a horizontal dip which extends into the tip
> region of the mouthpiece.

Brad, thanks. Along with Dan's sketch, I understand your explanation of "slackening" and that it's a separate issue from table concavity and "tip-dip." I'm not sure which way you mean by horizontal and which by vertical. I know that many of the vintage mouthpieces were made with a dip, or concavity running across the table about where the ligature applies pressure to the reed. My understanding is that that it was meant to add spring to the reed, making a reed on a more close-tipped mouthpiece less likely to close and allowing it to vibrate more. Is that what you mean by horizontal? Or by horizontal do you mean the dip you describe running up the middle of the table from the butt end to the tip? (Where I've added the boldface is where I'm confused.)

Regarding the intentional dip across the table: I've seen people put that in (or restore it after refacing a mouthpiece) by hand. How is it put into the table on a machine? Or, maybe more to the point, how was it put into the vintage mouthpieces before computer-guided cutters were available?

Karl
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 Topics Author  Date
 The balance of mouthpieces  new
xiao yu 2018-02-13 11:15 
 Re: The balance of mouthpieces  new
Caroline Smale 2018-02-14 02:13 
 Re: The balance of mouthpieces  new
xiao yu 2018-02-14 04:05 
 Re: The balance of mouthpieces  new
ClarinetRobt 2018-02-14 03:17 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-14 23:09 
 Re: The balance of mouthpieces  new
Bob Bernardo 2018-02-15 07:19 
 Re: The balance of mouthpieces  new
xiao yu 2018-02-15 12:35 
 Re: The balance of mouthpieces  new
D Dow 2018-02-17 00:16 
 Re: The balance of mouthpieces  new
donald 2018-02-17 02:15 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-17 03:19 
 Re: The balance of mouthpieces  new
donald 2018-02-17 06:36 
 Re: The balance of mouthpieces  new
Brad Behn 2018-02-19 00:36 
 Re: The balance of mouthpieces  new
Kalashnikirby 2018-02-19 15:33 
 Re: The balance of mouthpieces  new
Brad Behn 2018-02-21 00:40 
 Re: The balance of mouthpieces  new
Kalashnikirby 2018-02-21 23:43 
 Re: The balance of mouthpieces  new
Bob Bernardo 2018-02-22 00:38 
 Re: The balance of mouthpieces  new
GenEric 2018-02-23 10:52 
 Re: The balance of mouthpieces  new
GenEric 2018-02-23 10:52 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-23 11:44 
 Re: The balance of mouthpieces  new
Mojo 2018-02-23 18:31 
 Re: The balance of mouthpieces  new
Bob Bernardo 2018-02-23 21:44 
 Re: The balance of mouthpieces  new
Bob Bernardo 2018-02-23 22:08 
 Re: The balance of mouthpieces  new
Brad Behn 2018-02-24 01:36 
 Re: The balance of mouthpieces  new
donald 2018-02-24 04:56 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-24 08:10 
 Re: The balance of mouthpieces  new
Brad Behn 2018-02-24 09:32 
 Re: The balance of mouthpieces  new
kdk 2018-02-25 01:01 
 Re: The balance of mouthpieces  new
JohnP 2018-02-25 14:26 
 Re: The balance of mouthpieces  new
seabreeze 2018-02-25 20:55 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-26 01:50 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-26 09:21 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-26 11:49 
 Re: The balance of mouthpieces  new
Dan Shusta 2018-02-26 02:06 
 Re: The balance of mouthpieces  new
Brad Behn 2018-02-26 06:45 
 Re: The balance of mouthpieces  new
kdk 2018-02-26 07:46 
 Re: The balance of mouthpieces  new
Wes 2018-02-26 11:19 
 Re: The balance of mouthpieces  new
Brad Behn 2018-02-26 19:59 
 Re: The balance of mouthpieces  new
Mojo 2018-02-26 20:13 
 Re: The balance of mouthpieces  new
Brad Behn 2018-02-27 03:31 
 Re: The balance of mouthpieces  new
Mojo 2018-02-27 18:04 
 Re: The balance of mouthpieces  new
donald 2018-03-01 05:05 
 Re: The balance of mouthpieces  new
Ken Lagace 2018-03-03 02:55 
 Re: The balance of mouthpieces  new
xiao yu 2018-03-03 07:31 
 Re: The balance of mouthpieces  new
Tony F 2018-03-03 08:56 


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