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Re: 19.5 inch clarinet with MP attached

Author: Dan Shusta
Date: 2017-01-14 00:45

Hi J.D. & Jer,

According to Stephen Fox: "...enlarging the bore in upper part will lower the pitch of the fundamental mode, while enlarging the bore in the lower part will raise it." http://www.sfoxclarinets.com/baclac_art.htm

So, from this, I gather that if you enlarge the bore of the lower section which would normally raise the pitch and then "lengthen it", the normally raised pitch due to the larger bore of the lower section should actually be brought back down to the "low pitch" of A = 440.

I just talked with Tom Ridenour. He mentioned to me that enlarging tone holes raises pitch. (This is in line with Clark W Fobes "Tuning and Voicing the Clarinet".) http://www.clarkwfobes.com/pages/tuning-and-voicing-the-clarinet

So, combining Stephen Fox and Tom Ridenour statements, I believe enlarging the bore in the upper part which would normally lower the pitch combined with enlarging the tone holes should maintain an A = 440.

There appears to be a number of ways or combinations of bore sizes, section lengths, and tone hole sizes available to have a "low pitch" clarinet of differing total lengths.

So, taking everything into consideration, I stand corrected that a clarinet can indeed have different total lengths and still have "low pitch" meaning A = 440.

Wow, what an education!

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