Subwoofer Spec Comparison
| Parameter | King 12" Subwoofer | TUB10 Nippon 10 Subwoofer Tube Box |
|---|---|---|
| General | ||
| RMS Power | 6500 W | — |
| Electromechanical | ||
| Re (DC Resistance) | 1.6 Ω | — |
| Fs (Resonant Frequency) | 47.28 Hz | — |
| Qts (Total Q) | 0.56 | — |
| Qes (Electrical Q) | 0.63 | — |
| Qms (Mechanical Q) | 5.33 | — |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | 6.5 L | — |
| Xmax (Excursion) | 22.5 mm | — |
| Mms (Moving Mass) | 606 g | — |
| Sd (Cone Area) | 498 cm² | — |
| BL (Force Factor) | 21 T·m | — |
| SensitivityReported sensitivity values may use different test conditions, so no winner is shown. | 82.3 dB | — |
| EBP (Efficiency Bandwidth Product) | 75.048 | — |
| Ideal Enclosure | Flexible (Sealed or Ported) | — |