Detail 01
Medium backbore
Part of the 6AL design associated with its full sound and even tone quality.

Independent shopping perspective
Built around the 6AL specification, this gold-finish Classic Series trombone mouthpiece uses a large shank, 25.40mm cup diameter, 6.80mm rim, 7.20mm throat, and medium backbore. Its musical focus is a broad, full sound with consistent tone across the range and added help in the upper register. It is positioned for concert-band and brass-band playing, particularly for strong, advanced players seeking an all-round setup.


Strong match
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
Part of the 6AL design associated with its full sound and even tone quality.
Detail 02
The defining dimensions of the 6AL model.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It is identified for concert-band and brass-band players.
A big, full sound, even tone quality, and improved high-register performance.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.