Celestion TF1525e
Celestion TF1525e - 300W 15 inch LF speaker driver with pressed steel chassis, ferrite magnet, 97dB sensitivity and a 45-3500Hz frequency range.
| Brand | Celestion |
| Model | TF1525e |
| Kind | Woofer |
| Nominal diameter (mm) | 381 |
| Impedance (Ω) | 8 |
| Rated power (W) | 300 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 97 |
| Frequency response | 45 Hz – 3500 Hz |
| Resonance frequency, fs (Hz) | 47.5 |
| DC resistance, Re (Ω) | 6.82 |
| Mechanical Q, Qms | 4.486 |
| Electrical Q, Qes | 0.529 |
| Total Q, Qts | 0.473 |
| Equivalent volume, Vas (l) | 141.77 |
| Effective piston area, Sd (cm²) | 855.3 |
| Moving mass, Mms (g) | 82.07 |
| Force factor, BL (T·m) | 17.78 |
| Voice coil inductance, Le (mH) | 1.31 |
| Linear excursion, Xmax (mm) | 5.3 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 64 |
| Cutout diameter (mm) | 352 |
| Mounting depth (mm) | 163 |
| Cone material | Kevlar loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 4.8 |