The evolution of Ebonite.

The Black Diamond 13 Series Ebonite mouthpiece features a new internal and external design, offering musicians a full sound, rich in depth and color, especially in the upper register of the clarinet. The perfect balance between a dark, rich, yet compact sound. One facing available: BD5.The new Vandoren Black Diamond 13 Series Ebonite mouthpiece has amazing clarity, depth and presence, With its unique chamber, it has a sound that is all of its own, yet unmistakably Vandoren. Flawless intonation, sound and performance, the Vandoren Black Diamond 13 Series mouthpiece is a rarity among mouthpieces.