Celestion FTR12-2565D
12-inch, cast aluminium chassis, ferrite magnet bass/mid driver
| Brand | Celestion |
| Model | FTR12-2565D |
| Kind | |
| Nominal diameter (mm) | 305 |
| Impedance (Ω) | 8 |
| Rated power (W) | 250 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 95 |
| Frequency response | 55 Hz – 4000 Hz |
| Resonance frequency, fs (Hz) | 60.3 |
| DC resistance, Re (Ω) | 5.63 |
| Mechanical Q, Qms | 2.404 |
| Electrical Q, Qes | 0.506 |
| Total Q, Qts | 0.418 |
| Equivalent volume, Vas (l) | 49.14 |
| Effective piston area, Sd (cm²) | 530.98 |
| Moving mass, Mms (g) | 56.56 |
| Force factor, BL (T·m) | 15.45 |
| Voice coil inductance, Le (mH) | 1.02 |
| Linear excursion, Xmax (mm) | 4 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 64 |
| Cutout diameter (mm) | 286 |
| Mounting depth (mm) | 134 |
| Cone material | Kevlar loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 4.5 |