Robert Tucci RT-64 Tuba Mouthpiece bell cover Helps slow the spread of

Helps slow the spread of aerosols

The RT-84 can produce power that is balanced with color

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Mario Guaneri's instructions for using the BERP:

Robert Tucci RT-64 Tuba Mouthpiece bell cover Helps slow the spread ofThe Robert Tucci RT 64 is the classic F tuba mouthpiece that has stood the test of time. The 64 works well on small, large, rotary, or piston F tubas. It really is the best "starting point" for tubists who are looking for the all around F tuba mouthpiece. This product provides moderate resistance which helps with quick response and a wide array of tonal colors. Specifications: Cup Diameter: 32mm 1. 26in, shallow, bowl shaped Rim: 8mm 0. 31in, slightly