| Model | LF18X451 |
| Nominal Basket Diameter | 466 mm (18 in) |
| No Voice Coil Diameter | 115 mm (4.5 in) |
| Nominal Impedance | 8Ω |
| Sensitivity | 97 dB |
| Usable Frequency Range | 32Hz-2.5KHz |
| Rated Power | 1800 W |
| MAX Power | 3600 W |
| Resonant Frequency (fs) | 33 Hz |
| DC Resistance (Re) | 6.0Ω |
| Mechanical Q (Qms) | 6.43 |
| Electromagnetic Q (Qes) | 0.41 |
| Total Q (Qts) | 0.39 |
| Efficiency | 1.11% |
| Installation Dimensions | |
| (Overall Diameter) | 466 mm |
| (Mounting Holes B.C.D) | 435 mm |
| (Baffle Hole Diameter) | 422 mm |
| (The full height) | 216 mm |
| (Edge thickness) | 20 mm |
| (Net Weight) | Kg |
