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concavity in mouthpiece table

Author: ben
Date: 2000-12-10 22:15

What exactly is concavity in the mouthpiece table?

Is it some sort of slight inward arc? Where exactly in the table is it produced (in other words, what part of the reed is above the most extremely concave part of the table)?
I understand that concavity allows the facing to seem more open (so a close mp which has slight concavity (ie: Chediville) will respond similarly to a slighty more open mp with a flat table (ie: Kasper), is this realy correct? If one's mp has a slight concavity in the table, rather than being flat, does this mean it is less important for a reed to be as flat (and polished) as possible on its back?

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RE: concavity in mouthpiece table

Author: William
Date: 2000-12-11 19:10

It is a light concavity (inward) curve in the table allowing, hopefully, the reed to respond more resonately. IMHO, polishing and flattening the backs of reeds is not necessary if you take sufficient time to adjust the fronts by carefully balancing them to your personal mp. Its been my experiance that sanding the back of a reed, even slightly, to flatten it only weakens the heart and tampers with the configuration intended by the reed-maker. Modern reeds simply do not need to be sanded or polished. Its the quality of the cane and manufactures consistancy of profile that are the problems. Good clarineting, and reed adjusting.

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