Celestion FTX1225
This 12 inch 300W coaxial speaker offers 97dB sensitivity, full range frequency response and minimised distortion.
| Brand | Celestion |
| Model | FTX1225 |
| Kind | Coaxial |
| Nominal diameter (mm) | 305 |
| Impedance (Ω) | 8 |
| Rated power (W) | 300 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 97 |
| Frequency response | 50 Hz – 4000 Hz |
| Resonance frequency, fs (Hz) | 47.3 |
| DC resistance, Re (Ω) | 5.39 |
| Mechanical Q, Qms | 4.214 |
| Electrical Q, Qes | 0.437 |
| Total Q, Qts | 0.396 |
| Equivalent volume, Vas (l) | 84.59 |
| Effective piston area, Sd (cm²) | 530.93 |
| Moving mass, Mms (g) | 53.501 |
| Force factor, BL (T·m) | 14 |
| Voice coil inductance, Le (mH) | 3.36 |
| Linear excursion, Xmax (mm) | 6 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 64 |
| Cutout diameter (mm) | 286 |
| Mounting depth (mm) | 168 |
| Cone material | Kevlar loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 5.9 |