Detail 01
Large shank
The supplied SM4U specification identifies this version as large shank.

Independent shopping perspective
A silver-plated large-shank euphonium mouthpiece developed with Steven Mead, designed for classic euphonium sound, added projection, and enhanced upper-register 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
The supplied SM4U specification identifies this version as large shank.
Detail 02
This is the stated cup diameter for the SM4U.
Detail 03
This is the stated backbore type for the SM4U.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
The SM4U uses a large shank.
It has a 26 mm cup diameter and a 7.40 mm throat.
It was designed in cooperation with euphonium virtuoso Steven Mead.
It uses an evolved cup combining funnel and bowl elements, plus a slightly sharper inner rim edge.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.