06/09/2026
Looking to upgrade your setup?
The Robert Tucci Euphonium Mouthpiece Collection delivers incredible German-engineered precision, focus, and resonance.
We carry four core models at Professor Mouthpiece, each designed to balance clarity and depth across all registers:
Robert Tucci 5C
Cup Diameter: 26.00 mm (Moderate depth, unique wide design)
Rim Width: 6.75 mm (Slightly rounded inner edge)
Throat/Bore: 7.32 mm (Moderate resistance)
Character: Balanced cup volume and backbore for a rich, resonant sound with a rock-solid center.
Robert Tucci 6C
Cup Diameter: 25.00 mm (Deep, moderately rounded)
Rim Width: 7.00 mm (Rounded inner edge)
Throat/Bore: 7.15 mm (Long throat, flat taper backbore)
Character: A highly versatile high-volume mouthpiece with an immediate response in all registers. Excellent for solo or ensemble playing.
Robert Tucci 7C
Cup Diameter: 26.00 mm (Large, wide, and deep configuration)
Rim Width: 6.75 mm
Throat/Bore: 7.50mm (Open blowing)
Character: Great volume and depth of sound
Robert Tucci 8C+ (Heavy Shell)
Cup Diameter: 25.00 mm (Medium large configuration)
Rim Width: 7.00 mm (Rounded inner edge)
Throat/Bore: 7.20 mm (Long taper backbore)
Character: Features modern Heavy-Shell Technology with added mass. Yields a massive, romantic sound character with incredible projection and focus.
Note: All Robert Tucci euphonium mouthpieces are available exclusively in large shank configurations to optimize efficiency.
Check link in bio for more information on RT euphonium mouthpieces or visit:
https://profmouthpiece.com/collections/robert-tucci-euphonium-mouthpieces