Celestion FTR12-4075F
12-inch, cast aluminium chassis, ferrite magnet LF driver
| Brand | Celestion |
| Model | FTR12-4075F |
| Kind | Woofer |
| Nominal diameter (mm) | 305 |
| Impedance (Ω) | 4 |
| Rated power (W) | 700 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 95 |
| Frequency response | 60 Hz – 600 Hz |
| Resonance frequency, fs (Hz) | 37.1 |
| DC resistance, Re (Ω) | 2.9 |
| Mechanical Q, Qms | 3.987 |
| Electrical Q, Qes | 0.292 |
| Total Q, Qts | 0.272 |
| Equivalent volume, Vas (l) | 89.16 |
| Effective piston area, Sd (cm²) | 530.98 |
| Moving mass, Mms (g) | 82.3 |
| Force factor, BL (T·m) | 12.58 |
| Voice coil inductance, Le (mH) | 0.83 |
| Linear excursion, Xmax (mm) | 9 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 100 |
| Cutout diameter (mm) | 283 |
| Mounting depth (mm) | 121 |
| Cone material | Cellulose |
| Magnet material | Ferrite |
| Weight (kg) | 8.78 |