Where Precision Meets Imagination The Kohán Signature Bb Mouthpiece reflects the artistry of one of today's most versatile and creative clarinet voices. Designed around István Kohán's remarkable ability to move seamlessly between the classical repertoire, his own compositions, improvisation, and the rich musical traditions of Hungary, this mouthpiece offers exceptional clarity, flexibility, and precision. Positioned between the Shifrin and Hawkins Signature models, the Kohán features a close 1.05 mm tip opening paired with a medium facing length. The result is a mouthpiece that provides a focused tonal center, immediate response, and refined articulation while maintaining the flexibility needed for expressive color changes and dynamic nuance. Whether performing Mozart, contemporary works, original compositions, or folk-inspired music, the Kohán Signature rewards players seeking elegance, control, and artistic versatility. A refined balance of precision, flexibility, and expressive freedom—crafted for the complete musician. Specs 1.05mm Tip Opening • Close Opening • Medium Facing Includes One Kohán Signature Bb Clarinet Mouthpiece with three medium-sized self-lubricating O-Rings, one small flathead screwdriver and one mouthpiece patch. All Backun Signature Series Mouthpieces come with medium-sized O-Rings installed, which fit a majority of clarinet barrel tenons. Comparison Chart