Celestion CF1840H
18 inch 1000W LF driver with cast aluminium chassis and ferrite magnet, 98dB sensitivity and 30-2500Hz frequency range.
| Brand | Celestion |
| Model | CF1840H |
| Kind | |
| Nominal diameter (mm) | 457 |
| Impedance (Ω) | 4 |
| Rated power (W) | 1000 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 97 |
| Frequency response | 30 Hz – 2500 Hz |
| Resonance frequency, fs (Hz) | 38.5 |
| DC resistance, Re (Ω) | 3.04 |
| Mechanical Q, Qms | 3.921 |
| Electrical Q, Qes | 0.385 |
| Total Q, Qts | 0.351 |
| Equivalent volume, Vas (l) | 196.7 |
| Effective piston area, Sd (cm²) | 1134.12 |
| Moving mass, Mms (g) | 158.7 |
| Force factor, BL (T·m) | 17.41 |
| Voice coil inductance, Le (mH) | 0.95 |
| Linear excursion, Xmax (mm) | 8 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 100 |
| Cutout diameter (mm) | 414 |
| Mounting depth (mm) | 220 |
| Cone material | Carbon fibre loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 11.6 |