Author: RobinDesHautbois
Date: 2011-01-22 17:58
I hope Chris will answer your question. From the very little I know of accoustics, the widening of the bell reduces air pressure, so reduces the higher harmonics. The pear-bell offers more angles for the sound to bounce back off, so you get the deep hollow sound.
Robin Tropper
M.A.Sc., B.Mus., B.Ed.
http://RobinDesHautbois.blogspot.ca/music
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