Visaton DT 90 8 Ω
20 mm (0.8") polycarbonate HiFi driver with square shaped front plate for the highrange above 3000 Hz. Balanced frequency response and good omnidirectional sound distribution. High power handling due to ferrofluid-cooled voice-coil.
| Brand | Visaton |
| Model | DT 90 8 Ω |
| Kind | |
| Nominal diameter (mm) | 20 |
| Impedance (Ω) | 8 |
| Rated power (W) | 70 |
| Maximum power (W) | 100 |
| Sensitivity (dB, 1 W/1 m) | 90 |
| Frequency response | 2000 Hz – 22000 Hz −8 dB |
| Resonance frequency, fs (Hz) | 1900 |
| DC resistance, Re (Ω) | 6.7 |
| Mechanical Q, Qms | 3.07 |
| Electrical Q, Qes | 0.66 |
| Total Q, Qts | 0.54 |
| Equivalent volume, Vas (l) | |
| Effective piston area, Sd (cm²) | 3 |
| Moving mass, Mms (g) | 0.2 |
| Force factor, BL (T·m) | |
| Voice coil inductance, Le (mH) | 0.12 |
| Linear excursion, Xmax (mm) | |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 20 |
| Cutout diameter (mm) | 64 |
| Mounting depth (mm) | |
| Cone material | |
| Magnet material | |
| Weight (kg) | 0.24 |