| Arnolds & Sons mouthpieces are precise copies of the well-known American brand originals. | 
| Model | 
Cup | 
Rim | 
Manufacturer's description | 
| 6½AL | 
Medium deep | 
Medium wide, well rounded | 
The same rim and cup as No.6½A, but with a larger 'G' throat and #420 backbore for trombonists who strive for a Teutonic tone quality. Recommended for euphonium players who desire a round, mellow tone of great carrying power and substantial volume. | 
| 7C | 
Medium shallow | 
Medium wide, sharper | 
Designed for players who prefer a medium-large cup to assure a large volume of tone. The rather shallow cup produces great brilliancy. | 
| 11C | 
Medium shallow | 
Medium wide | 
Brilliant ringing tone of large volume. | 
| 12C | 
Medium | 
Medium wide | 
Best selling model for all-round playing. |