Detail 01
1.00 inch (25.40mm) cup diameter
Full adult tenor size. More lip inside the rim than student pieces, so low register opens up.

Independent shopping perspective
Silver-plated large-shank Schilke 50 with a 1.00-inch cup. An all-around tenor trombone mouthpiece for players on medium- and large-bore horns.

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
Full adult tenor size. More lip inside the rim than student pieces, so low register opens up.
Detail 02
Fits large-bore tenor and bass receivers only. A small-shank horn needs an adapter or a different piece.
Detail 03
Wider than the 15/64 throat on the smaller models. Blows freer, moves more air, needs more support.
Detail 04
No specialty letter designation, so response and intonation stay even rather than tilted toward high or low register.
Detail 05
Slightly grippier on the lip than gold and slower to tarnish than raw brass. Some players react to silver.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Only if it has a large-shank receiver. Most student tenor trombones are small shank, and this piece will not seat properly in one.
The 51 is slightly wider at 1.010 inch with a large bowl-shaped cup and J throat, aimed at large-bore and orchestral tone. The 50 is the more general-purpose piece.
It is sized for medium and large-bore tenor. Bass players are better served by the larger cups in the 57 through 60 range.
Plating wears at the rim over years of heavy use, especially with acidic skin. Wipe it down after playing and it lasts far longer.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.