YAMAHA Mouthpiece for French Standard Series HR-30B Horn, (Yamaha HR30B)

High-precision mouthpieces manufactured using the latest computer-controlled processing machines. Smooth attack, easy control. We offer a diverse lineup to suit each individual's style. HR-30B: A model with a larger rim diameter than the 29B, and a flagship V-cup model. It offers a smooth airflow and is especially ideal for instruments with narrow bells. Rim inner diameter (mm): 17.27 Throat diameter (mm): 3.90 High-precision mouthpieces manufactured using the latest computer-controlled processing machines. Smooth attack and ease of control. A diverse lineup is available to suit each individual's style. HR-30B: A model with a larger rim diameter than the 29B, and a representative V-cup model. Offers a smooth airflow and is especially ideal for instruments with narrow bells. Rim diameter (mm): 17.27 Throat diameter (mm): 3.90