YHR-668 Full Double Horns
| YHR-668 | YHR-668N | YHR-668D | YHR-668ND | ||
|---|---|---|---|---|---|
| Key | F/Bb | F/Bb | F/Bb | F/Bb | |
| Body | Yellow brass | Nickel silver | Yellow brass | Nickel silver | |
| Bell Size | LL | LL | LL | LL | |
| Bell Type | Fixed | Fixed | Detachable | Detachable | |
| Bore Size | 12mm (0.472") | 12mm (0.472") | 12mm (0.472") | 12mm (0.472") | |
| Number of Valves | 4 | 4 | 4 | 4 | |
| Valve Rotors | Solid | Solid | Solid | Solid | |
| Lever Action | String | String | String | String | |
| Finish | Clear lacquer | Clear lacquer | Clear lacquer | Clear lacquer | |
| Mouthpiece | HR-30D4 | HR-30D4 | HR-30D4 | HR-30D4 | |
| Case | Included | Included | Included | Included | |
