YAMAHA-Mouthpiece Tuba Signature -Roger Bobo- Symphonic

YAMAHA-Mouthpiece Tuba Sign. -Roger Bobo- Symphonic, rim inner diameter: 32.90mm, rim contour: standard, rim thickness: standard, cup depth: semi-shallow, throat: 7.50mm, backbore: standard, the Symphonic model is characterized by a warm tone, big enough to fill the concert with rich colorful sound.