Dillon Tuba Mouthpiece 18.5C

This is a smaller and even more responsive version of a classic mouthpiece design.  It is a mouthpiece that is perfect for beginning BBb tubists that has a response and clarity of tone that also works well on Eb and F tubas. 

Inside Diameter of rim is 1.22”

Outside Diameter of the rim 1.829”

Rim Thickness is .306” with rounded outer edge and a sharper bite on the inner edge.

Shank is standard American tuba tapering from .537” to .608”

Bore at throat is .320”