Author: Luuk ★2017
Date: 2019-02-12 15:16
The clarinet acts by good approximation as a one-side stopped cylindrical pipe, with small deviations from that.
You could say it's acoustical behavior is for 95% like a pure one side closed cylindrical pipe, and for 5% deviates from that model. May be 80-20 or 99-1, but the message is: think one side closed pipe and you understand all major behavior. Example: why is the lowest note of a Bb clarinet 146 Hz, while the lowest note on the oboe (almost the same length) is 233 Hz?
Of course, the details (like: what are the pros and cons of French vs. German bore dimensions?) may be more or less subtle and complex, and are responsible for the majority of subjects and discussions on this board. To get a hint of the details, start with Benade.
'A full explanation' may never appear because a mathematical model covering 100% of the details will be impossible to draw up, and impossible to solve.
By the way, a clarinet does not sound as 'if it is about a foot and a half longer than it really is': it sounds as what it is. A pipe, closed at one side, with small deviations.
Regards,
Luuk
Philips Symphonic Band
The Netherlands
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