Visaton CT 25 4 Ω
25 mm metal dome tweeter with Ferro-fluid-cooled voice-coil, featuring a linear frequency response and a good pulse response. Exact reproduction of the complete high range band, transparent and detailed performance even at highest levels and good omnidirectional sound distribution. Installation: Very flexible due to the swivel mounting ring for car doors and dash boards. Mounting accessories are included.
| Brand | Visaton |
| Model | CT 25 4 Ω |
| Kind | Tweeter |
| Nominal diameter (mm) | 25 |
| Impedance (Ω) | 4 |
| Rated power (W) | 80 |
| Maximum power (W) | 120 |
| Sensitivity (dB, 1 W/1 m) | 90 |
| Frequency response | 1000 Hz – 22000 Hz −8 dB |
| Resonance frequency, fs (Hz) | 1300 |
| DC resistance, Re (Ω) | 3.2 |
| Mechanical Q, Qms | 2.54 |
| Electrical Q, Qes | 2.92 |
| Total Q, Qts | 1.36 |
| Equivalent volume, Vas (l) | |
| Effective piston area, Sd (cm²) | |
| Moving mass, Mms (g) | |
| Force factor, BL (T·m) | |
| Voice coil inductance, Le (mH) | 0.71 |
| Linear excursion, Xmax (mm) | |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 25 |
| Cutout diameter (mm) | |
| Mounting depth (mm) | |
| Cone material | |
| Magnet material | |
| Weight (kg) | 0.093 |