Yamaha Custom Series clarinet mouthpieces are sculpted out of choice ebonite, a high-quality hard rubber which offers a deep resonance and tonal qualities similar to those of natural wood. Every step of the production, from the initial shaping of the mouthpiece ‘blank’ to the final hand crafting of the facing, is done by Yamaha’s experienced artisans for complete control ensuring consistent high quality.
Yamaha has spent years working together with many of the world’s greatest musicians, studying their mouthpieces and discovering ways to improve them. The Custom Series incorporates this experience in the design and manufacture of every mouthpiece in the series. The Custom Series mouthpieces are characterized by a warm rich tone with exceptional clarity. Their accurate intonation and comfortable playability have made them popular with many leading artists.

The Standard Series are made out of high-quality phenol resin (plastic) and feature a design based upon the top grade Custom Series. They are extremely consistent in specifications and playing quality, and offer excellent value for their price. The facing of this series is slightly shorter than that of the Custom Series making them easier to play, and easier for beginning students to achieve a rich characteristic clarinet sound. They also are available in a variety of sizes, to suit the needs players of many different styles.