Rim and cuo similar to Miraphone TU29 - Perantucci PT88
The most used mouthpiece in CC or Bb tuba. Ideal for orchestra and band and also for a soloist repertoire.
Inner rim diameter: 33mm
Outer rim diameter: 48,50mm
Cup depth 46mm / Throat 8mm
Backbore Medium Symphony
Rim options: F semi flat - S rounded