Celestion FTR15-3070C
Celestion FTR15-3070C - 15 inch woofer / LF driver with cast aluminium chassis and ferrite magnet, 99dB sensitivity and 40-4000Hz frequency range.
| Brand | Celestion |
| Model | FTR15-3070C |
| Kind | Woofer |
| Nominal diameter (mm) | 381 |
| Impedance (Ω) | 8 |
| Rated power (W) | 400 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 99 |
| Frequency response | 40 Hz – 4000 Hz |
| Resonance frequency, fs (Hz) | 41.4 |
| DC resistance, Re (Ω) | 6.07 |
| Mechanical Q, Qms | 3.51 |
| Electrical Q, Qes | 0.429 |
| Total Q, Qts | 0.382 |
| Equivalent volume, Vas (l) | 187.62 |
| Effective piston area, Sd (cm²) | 855.3 |
| Moving mass, Mms (g) | 81.73 |
| Force factor, BL (T·m) | 17.33 |
| Voice coil inductance, Le (mH) | 0.59 |
| Linear excursion, Xmax (mm) | 5.5 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 75 |
| Cutout diameter (mm) | 351 |
| Mounting depth (mm) | 158 |
| Cone material | Glass loaded paper (weather-resistant) |
| Magnet material | Ferrite |
| Weight (kg) | 6.3 |