Detail 01
Deeper bowl cup
More air volume behind the lips. Fuller, darker core, and a little more work above the staff.

Independent shopping perspective
Symphony D Series trumpet mouthpiece, deep bowl cup on a 2 rim, silver plated. For players wanting weight and depth in the sound.

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
More air volume behind the lips. Fuller, darker core, and a little more work above the staff.
Detail 02
Wider than the 26 and 27 throats on the Standard Series. More air passes through to feed the deeper cup.
Detail 03
A smaller Schmidt shape that balances the deep cup, so pitch centers instead of spreading and you keep something to push against.
Detail 04
Schilke's mid-size rim in this series. The D cup is also offered on the 1, 3 and 150 rims.
Detail 05
Bowl cups give a defined attack and a clearer center; funnel cups smear the front of the note.
Detail 06
Modest grip on the lip and a warmer feel than bare brass. Wears through with heavy daily use over years.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
D cups are deeper bowls, paired with a smaller, tighter version of the Schmidt backbore to balance that depth. The Standard line runs shallower cups and c-backbores.
Four: D1, D2, D3 and D150. All share the deeper bowl cup and 24 throat, so only the rim diameter changes between them.
No. The deeper bowl favors fullness and control. Shallow A-cup mouthpieces are the ones built to assist upper register work.
24, on every model in the D Series.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.