Visaton K 28 WPC BL 8 Ω
2.8 cm (1.1") miniature speaker with a plastic diaphragm (Mylar) and mounting ears. Balanced frequency response and good voice reproduction. Particularly well suited to applications in very small devices. *) IP protection class for front side when built into a sealed enclosure
| Brand | Visaton |
| Model | K 28 WPC BL 8 Ω |
| Kind | |
| Nominal diameter (mm) | 28 |
| Impedance (Ω) | 8 |
| Rated power (W) | 1 |
| Maximum power (W) | 2 |
| Sensitivity (dB, 1 W/1 m) | 76 |
| Frequency response | 300 Hz – 20000 Hz |
| Resonance frequency, fs (Hz) | 700 |
| 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) | 14 |
| Cutout diameter (mm) | |
| Mounting depth (mm) | |
| Cone material | |
| Magnet material | |
| Weight (kg) | 0.007 |