Can be scrolled
| Specifications | Key | Bb | Bb | A | |
|---|---|---|---|---|---|
| Fingering System | Oehler, 27 keys, 5 rings | Oehler, 24 keys, 5 rings | Oehler, 27 keys, 5 rings | ||
| Barrel Length | 54mm, 56mm | 54mm, 56mm | 54mm, 56mm | ||
| Toneholes | Straight tone holes with tapered undercut | Straight tone holes with tapered undercut | Straight tone holes with hand-tapered undercut | ||
| Thumb-rest | Fixed | Fixed | Fixed | ||
| Material | Body | Grenadilla | Grenadilla | Grenadilla | |
| Keys | Silver-plated nickel silver | Silver-plated nickel silver | Silver-plated nickel silver | ||
| Mouthpiece | M3D | M3D | M3D | ||
| Case | Included | Included | Included | ||
