Kelly
Kelly BASS-BONE
Cup diameter
27.69
mm
Cup depth
—
cup geometry
Backbore
L
Shank
small
About this mouthpiece
The Kelly BASS-BONE is a trombone mouthpiece with a 27.69mm cup diameter and — cup depth. It is recommended for bass trombone; tuba/euphonium doublers.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.
Playing notes
Recommended forBass trombone; tuba/euphonium doublers