Celestion TSQ1535
15-inch cast aluminium chassis neodymium magnet low frequency loudspeaker
| Brand | Celestion |
| Model | TSQ1535 |
| Kind | Woofer |
| Nominal diameter (mm) | 381 |
| Impedance (Ω) | 8 |
| Rated power (W) | 900 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 98.2 |
| Frequency response | 45 Hz – 3000 Hz |
| Resonance frequency, fs (Hz) | 50 |
| DC resistance, Re (Ω) | 5.2 |
| Mechanical Q, Qms | 4.921 |
| Electrical Q, Qes | 0.432 |
| Total Q, Qts | 0.397 |
| Equivalent volume, Vas (l) | 94.02 |
| Effective piston area, Sd (cm²) | 855.3 |
| Moving mass, Mms (g) | 111.9 |
| Force factor, BL (T·m) | 20.65 |
| Voice coil inductance, Le (mH) | 0.884 |
| Linear excursion, Xmax (mm) | 8 |
| Excursion limit, Xmech (mm) | 22 |
| Voice coil diameter (mm) | 90 |
| Cutout diameter (mm) | 354 |
| Mounting depth (mm) | 175 |
| Cone material | Glass loaded cellulose |
| Magnet material | Neodymium |
| Weight (kg) | 5.7 |