Subwoofer Spec Comparison
| Parameter | Alpine 10 inch Subwoofer and Box for Cab Truck | King 18" Subwoofer |
|---|---|---|
| General | ||
| RMS Power | — | 6500 W |
| Electromechanical | ||
| Re (DC Resistance) | — | 1.6 Ω |
| Fs (Resonant Frequency) | — | 43.07 Hz |
| Qts (Total Q) | — | 0.77 |
| Qes (Electrical Q) | — | 0.87 |
| Qms (Mechanical Q) | — | 6.9 |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | — | 30.4 L |
| Xmax (Excursion) | — | 22.5 mm |
| Mms (Moving Mass) | — | 910 g |
| Sd (Cone Area) | — | 1190 cm² |
| BL (Force Factor) | — | 21 T·m |
| Sensitivity | — | 86.3 dB |
| EBP (Efficiency Bandwidth Product) | — | 49.506 |
| Ideal Enclosure | — | Sealed |