Yamaha AH38D4 Alto Horn Mouthpiece

Alto horn mouthpiece with a semi-deep cup depth, size 38D4. This alto horn mouthpiece produces a dark sound perfect for use in British Brass Band work.

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• Backbore: standard
  Characteristics: Gives dark, round sound preferred by British brass band players.
  Cup depth: semi-deep
  Finish: Silver
  Rim contour: semi-flat
  Rim inner diameter(mm): 18.90
  Rim thickness: standard
  Throat (mm): 5.25