Detail 01
3C size
Medium-large rim diameter. More lip surface and a fuller sound, but it asks for more air support.

Independent shopping perspective
Silver 3C trumpet mouthpiece. A widely used medium-large size for students and school players who need a standard replacement or a step up from stock.

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
Medium-large rim diameter. More lip surface and a fuller sound, but it asks for more air support.
Detail 02
Medium depth. Keeps low notes round while staying workable in the upper register.
Detail 03
Tapered for a trumpet receiver. Cornet and flugelhorn receivers take different shanks and will not seat correctly.
Detail 04
More grip on the lips than gold plating, and it wipes clean easily. A few players are sensitive to silver.
Detail 05
Entry-level pricing. Consistent and durable, without the hand-finished rim work of professional pieces.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. The 3C has a larger rim diameter than a 7C. It gives a fuller, broader sound but takes more air and more endurance, which is why players usually move to it after a year or two.
The medium C cup is a general-purpose depth suited to concert band and section work. Lead players who want a bright, easy high register usually prefer a shallower cup.
No. This is cut with a trumpet shank. Cornets use a shorter, differently tapered shank and the piece will not seat properly.
Rinse with warm water and mild soap, run a mouthpiece brush through the throat, and dry it right away so the silver does not spot.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.