YEP-621S Euphoniums
| YEP-621S | YEP-621 | ||
|---|---|---|---|
| Key | Bb | Bb | |
| Body | Yellow brass | Yellow brass | |
| Bell Diameter | 280mm (11") | 280mm (11") | |
| Bore Size | 14.5-16.8mm (0.571-0.661") | 14.5-16.8mm (0.571-0.661") | |
| Height | 664mm | 664mm | |
| Valves | 3 top + 1 side | 3 top + 1 side | |
| Finish | Silver-plated | Clear lacquer | |
| Mouthpiece | SL-51L | SL-51L | |
| Case | Included | Included | |
