Canadian Brass Heritage designed by Perantucci MB-64, tuba mouthpiece, cup Diameter: 32 mm, moderate depth, rounded cup, Rim: 8.0 mm, slightly cushioned with clearly defined inner edge, bore: 7.8 mm, gold plated. The MB 64 is a particularly elegant F-tuba mouthpiece, ideal for solo and chamber music performance as well for execution of high-range orchestral passages. It has noticeable positive resistance resulting in particularly good response., remarkable flexibility, rich tonal color and core. Special attention has been given to the character to provide great breath of sound while retaining a clear and slightly bright quality well into the high range as well as secure response on low notes. The MB-64 takes the fact that F-tubas are larger and better than ever into consideration. Based on proven design criteria, it is a step forward in the brasswind art.