More open, has the same qualities as the M13, but easier to play in the upper register. Its facing gives it a particularly pure sound. t permits easy blowing with harder reeds and produces a rich and centered sound. The M13 Lyre is recommended for symphonic and chamber music.
![Vandoren M13 Lyre Serie 13 Profile 88 Bb Clarinet Mouthpiece](http://flemingrepair.com/cdn/shop/products/bec-vandoren-m13-serie-13-profile-88-lyre-pour-clarinette-sib-ocn04v2vemk1zg74p4tzll2rzh01oqi38os9n1qsjk.jpg?v=1676570233)