Celestion CNX0820
8-inch cast aluminium chassis, neodymium magnet coaxial driver.
| Brand | Celestion |
| Model | CNX0820 |
| Kind | Coaxial |
| Nominal diameter (mm) | 200 |
| Impedance (Ω) | 8 |
| Rated power (W) | 250 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 95 |
| Frequency response | 80 Hz – 5000 Hz |
| Resonance frequency, fs (Hz) | 94.6 |
| DC resistance, Re (Ω) | 5.1 |
| Mechanical Q, Qms | 3.293 |
| Electrical Q, Qes | 0.448 |
| Total Q, Qts | 0.395 |
| Equivalent volume, Vas (l) | 9.89 |
| Effective piston area, Sd (cm²) | 226.98 |
| Moving mass, Mms (g) | 20.9 |
| Force factor, BL (T·m) | 12.02 |
| Voice coil inductance, Le (mH) | 0.46 |
| Linear excursion, Xmax (mm) | 6 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 50 |
| Cutout diameter (mm) | 187 |
| Mounting depth (mm) | 115 |
| Cone material | Kevlar loaded paper |
| Magnet material | Neodymium |
| Weight (kg) | 2.5 |