Detail 01
Cup shape
The cup combines elements of funnel and bowl shapes.

Independent shopping perspective
A gold-finish Ultra Series baritone horn mouthpiece developed with Steven Mead, combining an evolved cup shape and added outer mass for support, response, flexibility, and projection.


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 cup combines elements of funnel and bowl shapes.
Detail 02
It is designed with more mass to help increase projection.
Detail 03
The supplied SM4U specification lists a V-type backbore.
Detail 04
The product title identifies SM4X; the supplied matching dimensions are labelled SM4U.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It was designed in cooperation with euphonium virtuoso Steven Mead.
26 mm cup diameter, 6.30 mm rim width, and 7.40 mm throat, with a V-type backbore.
Its added mass is designed to help increase projection.
It combines funnel and bowl elements, with a slightly sharper inner rim edge to enhance response and flexibility.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.