willie's Custom Brass Willie's Tuba Mouthpiece KZ Series KZ89EF (SP)

Another F-tube by Kazuhiro Yagyu. Enjoy the German-style sound. Supervisors: Kazuhiro Yagyu (Japan Philharmonic Orchestra) and Kazuhiro Yokota (Tokyo City Philharmonic Orchestra) Rim diameter 31.20 (mm) Throat diameter 8.10 (mm)