Earthquake subwoofers
Thiele/Small parameters of Earthquake subwoofers (6.5″, 8″, 10″, 12″, 15″, 18″) and a recommended sealed and ported box for every model, in a free sub box calculator.
22 models
| Model | Size | Voice coils | Fs, Hz | Qts | Vas, ft³ | Xmax, in | RMS, W |
|---|---|---|---|---|---|---|---|
| SWS-6.5X | 6.5″ | 4 Ω | 39.3 | 1.22 | 0.35 | 0.59 | 100 |
| SWS-8X | 8″ | 4 Ω | 30.4 | 0.67 | 0.98 | 0.91 | 150 |
| Subzero 10 | 10″ | dual 4 Ω | 28.7 | 0.47 | 1.08 | 1.25 | — |
| SWS-10X | 10″ | 4 Ω | 28.5 | 0.46 | 1.82 | 1.10 | 200 |
| TNT-10DVC | 10″ | dual 4 Ω | 36 | 0.92 | 0.83 | — | 300 |
| TNT-10S | 10″ | 4 Ω | 35 | 0.62 | 0.64 | — | 300 |
| Tremor-X104 | 10″ | 4 Ω | 33.7 | 0.53 | 2.10 | 1.00 | 300 |
| DBXI-12D ! | 12″ | dual 4 Ω | 24 | 0.41 | 1.64 | — | 500 |
| HoLeeS-12 | 12″ | dual 1 Ω | 26.4 | 0.28 | 1.17 | — | — |
| Magma-12X | 12″ | dual 4 Ω | 26.4 | 0.60 | 2.13 | 1.50 | 600 |
| Pro-X128 | 12″ | 8 Ω | 49 | 0.35 | 2.33 | 0.50 | 600 |
| Subzero 12 | 12″ | dual 4 Ω | 26.8 | 0.42 | 2.05 | 1.25 | — |
| TNT-12DVC | 12″ | dual 4 Ω | 32 | 1.13 | 1.59 | — | 400 |
| TNT-12S | 12″ | 4 Ω | 32 | 0.80 | 1.61 | — | 400 |
| Tremor-X124 | 12″ | 4 Ω | 31.2 | 0.70 | 4.10 | 1.13 | 400 |
| DBXI-15D ! | 15″ | dual 4 Ω | 20 | 0.96 | 3.22 | — | 750 |
| HoLeeS-15 | 15″ | dual 1 Ω | 24.2 | 0.39 | 3.77 | 2.00 | 7,000 |
| Magma-15X | 15″ | dual 4 Ω | 20.2 | 0.30 | 7.42 | 0.75 | 1,000 |
| Pro-X158 | 15″ | 8 Ω | 42 | 0.48 | 4.27 | 0.75 | 700 |
| Subzero 15 | 15″ | dual 4 Ω | 24.5 | 0.30 | 4.58 | 1.25 | — |
| Tremor-X154 | 15″ | 4 Ω | 28.8 | 0.67 | 4.90 | 1.20 | 450 |
| Pro-X184 | 18″ | 4 Ω | 36 | 0.67 | 13.63 | 0.98 | 800 |
Click a column header to sort. “!” means the model’s published specs don’t add up; details are on its page.