Yamaha ACL-4C Alto Clarinet Mouthpiece

Series: Yamaha Standard Series

Instrument: E♭ Alto Clarinet (ACL = Alto Clarinet)

Material: High-quality phenol resin (plastic), styled after Yamaha’s Custom ebonite mouthpieces for consistency and affordability

Tip Opening: 1.40 mm

Facing Length: 22 mm (longer than Bb/A or Eb models, tailored for alto clarinet acoustics)

Tone Character: Clear, versatile, and more resonant than the ACL-3C; good balance of projection and control

Skill Level: Ideal “all-rounder” for students through intermediate players; Yamaha’s most commonly recommended alto clarinet mouthpiece