| YHR-671 | YHR-671D | YHR-671GD | ||
|---|---|---|---|---|
| 調性 | F/Bb | F/Bb | F/Bb | |
| 揚聲口尺寸 | M | M | M | |
| 揚聲口類型 | Fixed | Detachable | Detachable | |
| 管徑 | 12.0mm (0.472") | 12.0mm (0.472") | 12.0mm (0.472") | |
| 外觀 | Clear lacquer | Clear lacquer | Clear lacquer | |
| 吹嘴 | HR-32C4 | HR-32C4 | HR-32C4 | |
| 樂器盒 | Included | Included | Included | |
| 琴身 | Yellow brass | Yellow brass | Gold Brass | |
| Number of Valves | 4 | 4 | 4 | |
| Valve Rotors | Solid | Solid | Solid | |
| Lever Action | String | String | String | |
