![Sousapower 5 Mouthpiece for Tuba/Sousaphone Sousapower 5 Mouthpiece for Tuba/Sousaphone](https://cdn11.bigcommerce.com/s-834ce/images/stencil/500x659/products/4324/8907/Sousapower_5__34184.1683042838.jpg?c=2)
The Robert Tucci SP-5 is based on one of the best sellers in the catalog. The diameter is the same large diameter of the RT-50+ but with a slightly thicker wall and a smaller shank. This mouthpiece is built for power and projection with a heavy mass to the shell and is ideal for use on the marching field or the concert hall.
- Cup diameter: 33.0 mm
- Very deep cup
- Flat rim with sharp inner edge: 7.5 mm
- Bore: Small at 8.3 mm to enable the greatest dynamics
- Colourful, dark, big and weighty sound
- The largest Sousapower mouthpiece with cone cup
- Due to sophisticated and skillful construction this model combines enormous volume with fast response and good treble
- Recommended for advanced, powerful wind players who want to take full advantage of the cone construction
- Shaft design: Narrow Perantucci S-shaft with 14.8 mm diameter
- Silver-plated