Produced using the most advanced computer design and manufacturing technology, Yamaha Standard Series mouthpieces feature unmatched precision, smooth attack, secure control, and easy playability. They have the ideal weight for all around usage, and are available in over 100 configuations. There's a Yamaha mouthpiece to suit every player!


Regarding the Yamaha mouthpiece numbering system, using the model 14A4a as an example:


14 Refers to "Cup Diameter"

  • Smallest numbers have the smallest diameters. Diameter size increases as the number increases.
  • A Refers to "Cup Volume"

  • A. Small - Shallow
  • B. Medium Small RIM CONTOUR
  • C. Standard - Medium
  • D. Medium Large
  • E. Large
  • 4 Refers to "Rim Contour"

  • 1. Roundest
  • 2. Semi-Round
  • 3. Standard
  • 4. Semi-Flat
  • 5. Flattest
  • a Refers to "Backbore"

  • a. Tight
  • b. Straight - slightly more open
  • c. Standard
  • d. Medium Large - slightly curved out
  • e. Large
  • x. Piccolo - X Large