| Element | Change | Benefit | Problems |
| Inner Diameter |
smaller |
high register easier to reach, better fit for smaller embouchure |
tendency to play sharp, thinner, with a more brittle tone, and lack of endurance |
| larger |
low register easier to reach, better fit for larger embouchure |
tendency to play flat, darker, with a fuzzy tone, and lack of endurance |
| Rim Thickness |
thicker |
more endurance, better for thin lips |
less response and flexibility |
| thinner |
better response, more definite placement, better for thick lips |
less endurance |
| Rim Contour |
flatter |
more endurance, more stability |
less response and flexibility |
| rounder |
better response, more definite placement |
less endurance |
| Crown |
higher |
better response, more definite placement |
less endurance |
| lower |
more endurance |
less response |
| Rim Bite |
sharper |
better response |
less endurance |
| rounder |
more endurance |
less response |
| Cup |
shallower |
high register easier to reach, better fit for smaller embouchures |
thinner, brighter tone |
| deeper |
low register easier to reach, better fit for larger embouchures, bigger, darker sound |
darker, fuzzy tone |
| "C" |
bigger, darker sound with more warmth |
more resistance, larger volume of air to control |
| "V" |
brighter sound, more projection |
less resistance, thinner sound |
| Throat |
larger |
less resistance, darker sound |
high register harder to attain, fuzzy sound |
| smaller |
brighter sound, more projection |
more resistance, thinner sound |
| Bore |
larger |
less resistance, darker sound |
high register harder to attain, fuzzy sound |
| smaller |
more resistance, brighter sound |
stuffy, thinner sound |
| Backbore |
larger |
less resistance, darker sound |
high register harder to attain, fuzzy sound |
| smaller |
more resistance, brighter sound |
stuffy, thinner sound |
| Mass |
less |
increased projection, response, comfort |
thinner sound |
| more |
intensify, darken, and stabilize tone |
decrease projection and response |
