Celestion CF1540F
15-inch, cast aluminium chassis, ferrite magnet LF driver
| Brand | Celestion |
| Model | CF1540F |
| Kind | Woofer |
| Nominal diameter (mm) | 381 |
| Impedance (Ω) | 8 |
| Rated power (W) | 600 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 97 |
| Frequency response | 35 Hz – 2000 Hz |
| Resonance frequency, fs (Hz) | 29.1 |
| DC resistance, Re (Ω) | 5.53 |
| Mechanical Q, Qms | 6.531 |
| Electrical Q, Qes | 0.243 |
| Total Q, Qts | 0.235 |
| Equivalent volume, Vas (l) | 227.867 |
| Effective piston area, Sd (cm²) | 855.3 |
| Moving mass, Mms (g) | 128.9 |
| Force factor, BL (T·m) | 23.15 |
| Voice coil inductance, Le (mH) | 1.74 |
| Linear excursion, Xmax (mm) | 8.6 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 100 |
| Cutout diameter (mm) | 355 |
| Mounting depth (mm) | 182 |
| Cone material | Glass loaded cellulose |
| Magnet material | Ferrite |
| Weight (kg) | 9.62 |