Visaton FR 9 P 4 Ω
8,7 cm (3,4") fullrange speaker with tweeter cone and standard basket. Simple fitting in vehicles with cut-outs for 8,7 cm-speakers. Includes fitting materials
| Brand | Visaton |
| Model | FR 9 P 4 Ω |
| Kind | Full range |
| Nominal diameter (mm) | 87 |
| Impedance (Ω) | 4 |
| Rated power (W) | 15 |
| Maximum power (W) | 30 |
| Sensitivity (dB, 1 W/1 m) | 85 |
| Frequency response | 100 Hz – 18000 Hz −8 dB |
| Resonance frequency, fs (Hz) | 140 |
| DC resistance, Re (Ω) | |
| Mechanical Q, Qms | |
| Electrical Q, Qes | |
| Total Q, Qts | |
| Equivalent volume, Vas (l) | |
| Effective piston area, Sd (cm²) | |
| Moving mass, Mms (g) | |
| Force factor, BL (T·m) | |
| Voice coil inductance, Le (mH) | |
| Linear excursion, Xmax (mm) | |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 20 |
| Cutout diameter (mm) | 79 |
| Mounting depth (mm) | |
| Cone material | |
| Magnet material | |
| Weight (kg) | 0.24 |