Celestion CF1230F
12-inch, cast aluminium chassis, ferrite magnet LF driver
| Brand | Celestion |
| Model | CF1230F |
| Kind | Woofer |
| Nominal diameter (mm) | 305 |
| Impedance (Ω) | 8 |
| Rated power (W) | 500 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 98 |
| Frequency response | 50 Hz – 3000 Hz |
| Resonance frequency, fs (Hz) | 56.5 |
| DC resistance, Re (Ω) | 5.08 |
| Mechanical Q, Qms | 4.33 |
| Electrical Q, Qes | 0.342 |
| Total Q, Qts | 0.317 |
| Equivalent volume, Vas (l) | 49.61 |
| Effective piston area, Sd (cm²) | 530.93 |
| Moving mass, Mms (g) | 63.75 |
| Force factor, BL (T·m) | 18.33 |
| Voice coil inductance, Le (mH) | 0.74 |
| Linear excursion, Xmax (mm) | 7.5 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 75 |
| Cutout diameter (mm) | 286 |
| Mounting depth (mm) | 153 |
| Cone material | Glass loaded paper (weather-resistant) |
| Magnet material | Ferrite |
| Weight (kg) | 6.8 |