Visaton WSP 21 S 8 Ω
20 cm (8") HiFi woofer with highly damped nawi-shaped polypropylene cone. High power handling due to capton voice-coil carrier and magnet vent.
| Brand | Visaton |
| Model | WSP 21 S 8 Ω |
| Kind | Woofer |
| Nominal diameter (mm) | 200 |
| Impedance (Ω) | 8 |
| Rated power (W) | 100 |
| Maximum power (W) | 130 |
| Sensitivity (dB, 1 W/1 m) | 91 |
| Frequency response | |
| Resonance frequency, fs (Hz) | 28 |
| DC resistance, Re (Ω) | 5.7 |
| Mechanical Q, Qms | 3.86 |
| Electrical Q, Qes | 0.3 |
| Total Q, Qts | 0.28 |
| Equivalent volume, Vas (l) | 80 |
| Effective piston area, Sd (cm²) | 213 |
| Moving mass, Mms (g) | 26 |
| Force factor, BL (T·m) | 9.3 |
| Voice coil inductance, Le (mH) | 1.2 |
| Linear excursion, Xmax (mm) | |
| Excursion limit, Xmech (mm) | 19 |
| Voice coil diameter (mm) | 50 |
| Cutout diameter (mm) | 185 |
| Mounting depth (mm) | |
| Cone material | |
| Magnet material | |
| Weight (kg) | 2.3 |