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”
