Detail 01
Small shank
Fits tenor trombones with a small-bore receiver. It will not seat in a large-shank horn.

Independent shopping perspective
Small-shank tenor trombone mouthpiece in a medium-large 11C size. A standard replacement or first upgrade for students and school players.

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
Fits tenor trombones with a small-bore receiver. It will not seat in a large-shank horn.
Detail 02
Medium-large rim with a medium cup. Broad enough for a full sound without tiring a developing embouchure.
Detail 03
Middle-of-the-road depth. Balances low-register body against upper-register ease instead of favoring either.
Detail 04
Slightly grippier on the lips than gold plating and easy to wipe clean. Some players react to silver.
Detail 05
Entry-level tier. Built for durability and consistency rather than the fine rim-contour work of pro pieces.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Only if your horn takes a small shank, which is standard on most student and intermediate tenor trombones. Large-bore and bass trombones use a large shank and will not accept it.
The 11C has a slightly larger rim diameter than the 12C. The larger rim gives more room for the lips and a fuller low end; the 12C is easier to control for smaller embouchures.
Yes. The medium cup and medium-large rim are a common starting point for school players, and the price makes it easy to replace if it gets dropped or dented.
Warm water, mild soap, and a mouthpiece brush through the bore. Dry it fully so the silver finish does not spot.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.