Your trombone will sound its best with a GP Series mouthpiece.
The GP Series mouthpieces feature an innovative shape and extra-heavy gold-plate finish for players who prefer a focused, concentrated tonal core.
- Inner diameter: 17.08 mm
- Contour: standard
- Thickness: standard
- Cup depth: standard (double-cup)
- Throat: 4.4 mm
- Backbore: semi-narrow