Description
| Model | Cup depth | Cup diameter (mm) |
Rim width (mm) |
Bore (mm) |
Backbore | Manufacturer's comments |
|---|---|---|---|---|---|---|
| 4AM | Pre-1974 B&H and Willson | 26.00 | 6.72 | 7.38 | barrel | Classic euphonium mouthpiece, old fitting |
| 4AY | USA & Japan fitting | 26.00 | 6.72 | 7.38 | medium | As above |
| 6BM | Pre-1974 B&H | 25.40 | 6.26 | 7.12 | medium | Like 6BL trombone with euphonium bore |
| 6BY | USA & Japan fitting | 25.40 | 6.26 | 7.12 | medium | As above |
Manufacturer’s website: deniswick.com