The Yamaha 11B4 cornet mouthpiece is a good choice for beginners. Endurance, as well as a beautiful sound will develop wonderfully with this cornet mouthpiece. The 11B4 from Yamaha has been the companion of many new trumpet players for many years. The silver-plated mouthpiece has an inner diameter of 16.46mm and a bore of 3.65mm. The medium-flat bowl supports a good height and the medium-round, comfortable edge ensures good endurance.
