Celestion CF18VJD
18 inch 1600W very low frequency driver with cast aluminium chassis and ferrite magnet, 97dB sensitivity and 25-1500Hz frequency range
| Brand | Celestion |
| Model | CF18VJD |
| Kind | Woofer |
| Nominal diameter (mm) | 457 |
| Impedance (Ω) | 8 |
| Rated power (W) | 1600 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 97 |
| Frequency response | 25 Hz – 1500 Hz |
| Resonance frequency, fs (Hz) | 34.5 |
| DC resistance, Re (Ω) | 6.13 |
| Mechanical Q, Qms | 4.573 |
| Electrical Q, Qes | 0.332 |
| Total Q, Qts | 0.309 |
| Equivalent volume, Vas (l) | 145.81 |
| Effective piston area, Sd (cm²) | 1134.12 |
| Moving mass, Mms (g) | 265.42 |
| Force factor, BL (T·m) | 32.59 |
| Voice coil inductance, Le (mH) | 1.87 |
| Linear excursion, Xmax (mm) | 12 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 125 |
| Cutout diameter (mm) | 416 |
| Mounting depth (mm) | 233 |
| Cone material | Carbon and kevlar loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 23 |