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Seggelke mouthpieces

Author: JohnP
Date: 2026-02-09 21:53

Has anyone tried the new French bore mouthpieces from Schwenk and Seggelke?
https://seggelke-klarinetten.de/en/seggelke-mouthpieces/

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Re: Seggelke mouthpieces

Author: Dan Shusta
Date: 2026-02-10 12:03

Hi John,

No, I haven't tried them. However, what really caught my eye was the French bore output size of 22.5 mm and the German bore output being 23.0 mm.

The 22.5 mm is mentioned twice and the website states that it's for a Bb clarinet.

I guess I'm just bewildered because here in the U.S., I'm pretty sure the standard French bore output is 15 mm or less. (The Peter Eaton International is 15.61 mm and the Elite is 15.2 mm)

I just did a search for a French clarinet having a 22.5 mm bore and came up with nothing.

What brand of a French clarinet has a bore of 22.5 mm?

(I'm beginning to sense that the 22.5 mm might possibly be a typo error.)

I appreciate any enlightenment anyone can give me.

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Re: Seggelke mouthpieces

Author: ebonite
Date: 2026-02-10 12:23

Dan Shusta wrote:

>
> What brand of a French clarinet has a bore of 22.5 mm?

I think it refers to the tenon (outer) diameter

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Re: Seggelke mouthpieces

Author: Dan Shusta
Date: 2026-02-10 12:40

ebonite,

I reread the website several times now. The only thing that makes sense to me is that the French model is actually a French "body style" of mouthpiece (ligature required) which is then put on a German clarinet.

Now, that makes perfect sense to me.

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Re: Seggelke mouthpieces

Author: JohnP
Date: 2026-02-10 12:43

Peter Eaton’s International has a smaller bore than the Elite, it’s compatible with standard French bore mouthpieces. The Seggelke website measurement is, as you say, ebonite, for the tenon. A bore of 22.5mm would be in bass clarinet territory.

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Re: Seggelke mouthpieces

Author: JTJC
Date: 2026-02-10 21:35

Those caught my eye, but the closest tip they do (on the 'B') is 1.15mm, and with quite a short lay at 17mm. Shame, as the introductory price was worth the risk from a brand like that.

It was also a surprise seeing that milling machine removing such a huge amount of matetial. Must generate a lot of heat, which I thought wasn't good for ebonite. Thought there would be another way to do that.

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Re: Seggelke mouthpieces

Author: Dan Shusta
Date: 2026-02-11 00:19

Thanks for the replies.

When I did a less specific search for "What kind of clarinet has a bore of 22.5 mm?" I got numerous responses saying the German clarinet has a 22.5 mm bore.

My Behn Prescott tenon outer bore measured at the ebonite was 22.19 mm and my Gennusa measured 22.04 mm. Adding 0.3 mm for the "O" ring and 0.5 mm for the cork would then yield 22.5 mm. What an unusual way to describe a mouthpiece bore!

Actually, the shorter tenon length for the French model should have been a give away for me as I remember now that the German tenon is slightly longer than the French bore.

So...my understanding now is: the French and German mouthpiece bore measurements are actually tenon outside diameters with the cork installed. Does that sound right?

As to the incorrect Peter Eaton bore diameter numbers, all I can say is Mr. "bing" of my search engine gave me conflicting info. It gave me 15.61 mm (0.575).

Thanks, JohnP, for the correction.

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