Slightly smaller than the 0AL. Improved high range and a more open, free blowing sound.
Cup diameter: 27.1mm.
Rim width: 6.1mm.
Backbore: Open. Silver plated.
Wick HeavyTop mouthpieces are designed to reduce the amount of vibration lost through the mouthpiece. Additional mass in key areas transfers the energy much more efficiently, resulting in improved projection and stability.