X-18 v.3 D1/D2 (5000w Peak / 2500w RMS)
| ENCLOSURE SPECIFICATIONS |
| Sealed Enclosure | Not Recommended |
| Ported Enclosure | 7.00 cu ft |
| Recommended Tuning | 32Hz |
| Recommended Port Area | 112 sq in |
| Displacement | 0.23 cu ft |
| Depth | 10.25″ (6-spoke frame)
12.75″ (Sundown frame) |
| Outside Diameter | 18.42″ |
| Cut-Out | 16.69″ |
