Bass Trombone Mouthpieces
DOUGLAS YEO Model: BL-YEO-GP
![DOUGLAS YEO Model: BL-YEO-GP](/en/files/21012_21_1_120x120_35abda7f8fc64d8131204ca14ca0bbef.jpg)
The Yeo mouthpiece features a large symphonic size cup for a big rich sound. It is characterized by a full, centered tone with a focused core and a brilliant, well-defined overtone series.
- Rim Inner Diameter: 28.72㎜
- Rim Contour: Semi-flat
- Rim Thickness: Semi-thin
- Cup Depth: Semi-deep
- Throat: 8.00㎜
- Backbore: Semi-wide
DOUGLAS YEO Model: BL-YEO-ST
![DOUGLAS YEO Model: BL-YEO-ST](/en/files/21013_21_1_120x120_ba4edad81c66ce52465f21e781b3e929.jpg)
The Yeo mouthpiece features a large symphonic size cup for a big rich sound. It is characterized by a full, centered tone with a focused core and a brilliant, well-defined overtone series.
- Rim Inner Diameter: 28.72㎜
- Rim Contour: Semi-flat
- Rim Thickness: Semi-thin
- Cup Depth: Semi-deep
- Throat: 8.00㎜
- Backbore: Semi-wide