Ultra Tuba Aaron Tindall SP: AT5U

Cup Diameter 32.8mm
Bore 8.90mm

Large F tuba mouthpiece, very similar in design to the AT2U but with a smaller throat/tighter backbore. Rim designed by Warren Deck &
8211; one of the most comfortable rims ever made, featuring just the right amount of width and bite to give the player a sense of comfort and stability.