Celestion FTR15-3070E
Celestion FTR15-3070E - 15 inch woofer / low frequency driver with cast aluminium chassis, ferrite magnet, 99dB sensitivity and 40-4000Hz frequency range.
| Brand | Celestion |
| Model | FTR15-3070E |
| Kind | Woofer |
| Nominal diameter (mm) | 381 |
| Impedance (Ω) | 8 |
| Rated power (W) | 400 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 97 |
| Frequency response | 40 Hz – 4000 Hz |
| Resonance frequency, fs (Hz) | 45.9 |
| DC resistance, Re (Ω) | 5.52 |
| Mechanical Q, Qms | 3.409 |
| Electrical Q, Qes | 0.426 |
| Total Q, Qts | 0.379 |
| Equivalent volume, Vas (l) | 145.75 |
| Effective piston area, Sd (cm²) | 855.3 |
| Moving mass, Mms (g) | 85.53 |
| Force factor, BL (T·m) | 17.87 |
| Voice coil inductance, Le (mH) | 1.21 |
| Linear excursion, Xmax (mm) | 7.8 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 75 |
| Cutout diameter (mm) | 351 |
| Mounting depth (mm) | 161 |
| Cone material | Glass loaded paper (weather-resistant) |
| Magnet material | Ferrite |
| Weight (kg) | 6.4 |