Kelly
Kelly 4B
Cup diameter
16.51
mm
Cup depth
—
cup geometry
Throat diameter
4.37
mm
Backbore
XL
Shank
small
About this mouthpiece
The Kelly 4B is a trumpet mouthpiece with a 16.51mm cup diameter and — cup depth. It is recommended for classical / orchestral trumpet.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.
Playing notes
Recommended forClassical / orchestral trumpet