Willie's Custom Brass Willie's Euphoria-S Euphonium Mouthpiece for Fine Tubes (SP)

Signature model by Kenichi Watanabe. Packed with Watanabe's ideas, this mouthpiece is extremely easy to play. Supervisor: Kenichi Watanabe (Associate Professor, Hokkaido University of Education) Rim diameter: 25.45mm Throat diameter: 7.15mm Approximate to other companies Size: Between Buck 5 and 6