Celestion TSQ1845
18-inch cast aluminium chassis neodymium magnet low frequency loudspeaker
| Brand | Celestion |
| Model | TSQ1845 |
| Kind | Woofer |
| Nominal diameter (mm) | 457 |
| Impedance (Ω) | 8 |
| Rated power (W) | 1800 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 96.5 |
| Frequency response | 30 Hz – 1000 Hz |
| Resonance frequency, fs (Hz) | 35 |
| DC resistance, Re (Ω) | 5 |
| Mechanical Q, Qms | 8.712 |
| Electrical Q, Qes | 0.3 |
| Total Q, Qts | 0.29 |
| Equivalent volume, Vas (l) | 119.3 |
| Effective piston area, Sd (cm²) | 1134 |
| Moving mass, Mms (g) | 316 |
| Force factor, BL (T·m) | 33.8 |
| Voice coil inductance, Le (mH) | 3.06 |
| Linear excursion, Xmax (mm) | 15 |
| Excursion limit, Xmech (mm) | 40 |
| Voice coil diameter (mm) | 115 |
| Cutout diameter (mm) | 416 |
| Mounting depth (mm) | 235 |
| Cone material | Glass loaded cellulose, water-resistant coating front & back |
| Magnet material | Neodymium |
| Weight (kg) | 11.8 |