Detail 01
30.5 mm cup diameter
This is the stated cup diameter for the No. 4 model.

Independent shopping perspective
A Classic Series tuba mouthpiece with a smaller shank, clear tone, and excellent articulation and response.


Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
This is the stated cup diameter for the No. 4 model.
Detail 02
This is the stated throat diameter for the No. 4 model.
Detail 03
The supplied specification identifies this model as a smaller-shank mouthpiece.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It is a tuba mouthpiece.
It has a 30.5 mm cup diameter and an 8.27 mm throat.
Yes. The supplied specification calls it great for younger players.
It is described as having clear tone with excellent articulation and response.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.