Description:
The Yamaha 11B4 Trumpet Mouthpiece has a somewhat shallow cup and medium rim for extra endurance. It has a brilliant tone. Suitable for D, Eb and piccolo trumpets.
Specifications:
Throat: 3.65mm
Backbore: Semi-narrow
Rim/Cup Depth: Semi-shallow
Rim/Inner Diameter: 16.46mm
Rim/Thickness: Standard