Visaton FRS 7 S 8 Ω
6.5 cm (2.5") full-range speaker with balanced frequency response and very good highs. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers. Very low resonance frequency.
| Brand | Visaton |
| Model | FRS 7 S 8 Ω |
| Kind | Full range |
| Nominal diameter (mm) | 65 |
| Impedance (Ω) | 8 |
| Rated power (W) | 8 |
| Maximum power (W) | 15 |
| Sensitivity (dB, 1 W/1 m) | 84 |
| Frequency response | 120 Hz – 20000 Hz |
| Resonance frequency, fs (Hz) | 150 |
| DC resistance, Re (Ω) | 7.2 |
| Mechanical Q, Qms | 5.38 |
| Electrical Q, Qes | 2.01 |
| Total Q, Qts | 1.46 |
| Equivalent volume, Vas (l) | 0.9 |
| Effective piston area, Sd (cm²) | 22 |
| Moving mass, Mms (g) | 0.8 |
| Force factor, BL (T·m) | 1.8 |
| Voice coil inductance, Le (mH) | 0.6 |
| Linear excursion, Xmax (mm) | |
| Excursion limit, Xmech (mm) | 1.5 |
| Voice coil diameter (mm) | 14 |
| Cutout diameter (mm) | 61 |
| Mounting depth (mm) | |
| Cone material | |
| Magnet material | |
| Weight (kg) | 0.2 |