Yamaha YAC AH38D4 Alto Horn Mouthpiece Standard

The Yamaha YAC AH38D4 Standard Series Alto Horn Mouthpiece is crafted to deliver a dependable playing experience with a rich, full tone. With an inner rim diameter of 18.9mm and a throat diameter of 5.25mm, it is dimensioned for all-around usage—providing enough openness for a resonant sound while maintaining the control needed for clean articulation. Yamaha's precision manufacturing ensures consistent tolerances, so players can expect the same reliable response from one unit to the next.

The mouthpiece is characterized by its smooth attack and secure feel on the embouchure, qualities that benefit both developing players building fundamental technique and experienced musicians who need a trustworthy mouthpiece for rehearsals and performances. Its heavy tonal character gives it good projection and presence in ensemble settings without requiring excessive effort from the player. As part of Yamaha's standard series, the AH38D4 represents a well-balanced option that prioritizes playability and tonal depth.