YAMAHA Mouthpiece for Standard Series HR-29D4 Horn, (Yamaha HR29D4)

High-precision mouthpieces made using the latest computer-controlled processing machines. Smooth attack and easy control. We offer a diverse lineup to suit everyone's style. HR-29D4: A double cup that combines a medium V cup with an extremely deep V cup. The rim diameter is slightly small, but the throat is wide and produces a rich sound. Rim inner diameter (mm): 16.88 Throat diameter (mm): 4.50 High-precision mouthpieces made with the latest computer-controlled processing machines. Smooth attack and easy control. We offer a diverse lineup to suit each individual's style. HR-29D4: Double cup, combining a medium V cup and an extremely deep V cup. The rim inner diameter is slightly small, but the throat is wide and produces a rich sound. Rim inner diameter (mm): 16.88, Throat diameter (mm): 4.50