The Difference Between Mediocrity & Mastery
A brass instrument mouthpiece is much more than an add-on or accessory. It is a vital part of your instrument. As interface between artist and instrument, it can mean the difference between mediocrity and mastery.
Standard Series (Small Shank, Large Shank)
Produced using the most advanced computer design and manufacturing technology, our 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 configurations.There’s a Yamaha mouthpiece to suit every player.
GP Series (Small Shank, Large Shank)
GP Series has been created especially for professionals who require superior quality from their mouthpiece. The GP Series features an innovative shape and extra-heavy gold-plate finish for players who prefer a focused, concentrated tonal core.
Neo Series (Large Shank) <NEW>
Yamaha has created this new Neo™ Mouthpieces primarily for use in British brass bands. A newly developed Neo™ Specialized Heat Treatment (NSHT) that enhances tonal depth and warmth has been applied to ensure spectacular brass instrument sound and expression. Particular care has been taken to achieve ideal weight and balance in a unique design that results in consistently superior playability and tone throughout each instrument’s range. The new Neo mouthpieces give players unprecedented musical potential.
Standard / GP Series
Model Number System
Lineup
Standard Series (Small Shank)
Model No. | Rim Inner Diameter (mm) | Throat (mm) |
Characteristics |
---|---|---|---|
SL-45AS | 24.26 | 5.85 | Small inner rim diameter with an extremely shallow cup for brilliant tone. Easy high notes. Ideal for bass trumpet. |
SL-45C2S | 24.26 | 5.85 | Small inner rim diameter with a clean bite. Easy playability with a bright tone. Popular with studio players. |
SL-46BS | 24.58 | 5.85 | Shallower cup than the 46C2S. Outstanding high register. Fairly sharp shoulder. Brilliant tone. |
SL-46C2S | 24.59 | 5.85 | Relatively large inner rim diameter. A good choice for advanced jazz players. Ideal for demanding professional studio applications. |
SL-47S | 24.98 | 5.85 | Outstanding endurance. Rich tone suitable for ensembles and orchestras. |
SL-48AS | 25.25 | 5.32 | The 48S rim combined with a very shallow cup. For alto trombones. Bright tone with good volume. Ideal for baroque compositions |
SL-48DS | 25.25 | 6.62 | Same rim as the 48 with a relatively deep cup. Rich lower register with a rich, soft tone. Also ideal for euphonium. |
SL-48S | 25.25 | 6.62 | Well-balanced rim and cup for all-around playing. Refined design meets the needs of professional players. |
SL-51BS | 25.23 | 6.92 | The 51 rim with a relatively shallow cup. Powerful sound. Popular with ensemble and orchestra euphonium players. |
SL-51S | 25.23 | 6.92 | Relatively large inner rim diameter with large cup volume for a dark sound. Standard euphonium model with a beautiful rich tone. |
SL-51C4S | 25.23 | 6.92 | Shallower cup than the 51. Plenty of volume and power. Solid tone throughout the instrument's range. Ideal for symphony orchestra playing. |
EP-51DS | 25.24 | 7.11 | An even deeper cup than the 51 for a heavy, rich tone. Specifically for euphonium. Ideal for advanced players who prefer a dark sound. |
SL-52S | 25.65 | 7.11 | Larger inner rim diameter and cup than the 51. Heavy tone. For advanced players. |
- *The last “S” : Small Shank
Standard Series (Large Shank)
Model No. | Rim Inner Diameter (mm) | Throat (mm) |
Characteristics |
---|---|---|---|
SL-47L | 24.98 | 5.85 | Smaller inner rim diameter than the 48. Extended endurance. Plenty of volume. Ideal for ensemble and orchestra playing. |
SL-48DL | 25.25 | 6.62 | Same rim as the 48 with a relatively deep cup. Rich low register with a soft tone. Also ideal for euphonium. |
SL-48L | 25.25 | 6.62 | Well-balanced rim and cup with a fairly narrow backbore. Meets the needs of professional players. |
SL-51BL | 25.23 | 6.92 | The 51 rim with a relatively shallow cup. Powerful sound. Popular with ensemble and orchestra euphonium players. |
SL-51L | 25.23 | 6.92 | Relatively large inner rim diameter with large cup volume for a dark sound. Standard euphonium model with a large backbore. |
SL-51C4L | 25.23 | 6.92 | Shallower cup than the 51. Plenty of volume and power. Solid tone throughout the instrument's range. Ideal for symphony orchestra playing. |
EP-51DL | 25.24 | 7.11 | An even deeper cup than the 51 for a heavy, rich tone. Specifically for euphonium. Ideal for advanced players who prefer a dark sound. |
SL-52L | 25.65 | 7.11 | Larger inner rim diameter and cup than the 51. Heavy tone. For advanced players. |
SL-53L | 25.91 | 7.11 | Extremely large cup. Outstanding middle and low registers. Heavy tone. Ideal for beginning bass trombone players. |
EP-53DL | 26.08 | 7.11 | Good response and tenor-single-like condensed sound. Designed for euphonium players to control the piano sound comfortably and the wider dynamics range at the same time. |
SL-54L | 26.15 | 7.11 | Larger inner rim diameter and cup than the 52. Suitable for larger orchestras. |
SL-55L | 26.35 | 7.11 | Larger inner rim diameter and cup than the 54. Heavy tone. Also ideal for bass trombone. |
- *The last “L”: Large Shank
GP Series (Small Shank)
Model No. | Rim Inner Diameter (mm) | Throat (mm) |
Characteristics |
---|---|---|---|
SL-45C2S-GP | 24.26 | 5.85 | Small inner rim diameter with a clean bite. Easy playability with a bright tone. Popular with studio players. |
SL-48S-GP | 25.25 | 6.62 | Well-balanced rim and cup for all-around playing. Refined design meets the needs of professional players. |
- * “S” : Small Shank
GP Series (Large Shank)
Model No. | Rim Inner Diameter (mm) | Throat (mm) |
Characteristics |
---|---|---|---|
SL-48L-GP | 25.25 | 6.62 | Well-balanced rim and cup with a fairly narrow backbore. Meets the needs of professional players. |
- * “L”: Large Shank
Neo Series
EP-Neo53D-L
<Light type> A lightweight, responsive model that is ideal for solos
A new form delivers agile playability with rich, colorful tone.

- Rim Inner Diameter: 26.08 mm
- Rim Contour: Standard
- Cup Depth: Semi-deep
- Throat: 7.11 mm
- Backbore: Semi-wide
- Shank size: Large
EP-Neo53DH-L
<Heavy type> Extra weight for big, solid tone that stands out in band situations
With slightly more weight than the EP-Neo53D-L, this model offers plenty of power with optimum playing feel.

- Rim Inner Diameter: 26.08 mm
- Rim Contour: Standard
- Cup Depth: Semi-deep
- Throat: 7.11 mm
- Backbore: Semi-wide
- Shank size: Large
* Specifications are subject to change without notice. The colors and finishes shown may vary from those on the actual products.