PowerBass subwoofers
Thiele/Small parameters of PowerBass subwoofers (10″, 12″, 15″) and a recommended sealed and ported box for every model, in a free sub box calculator.
10 models
| Model | Size | Voice coils | Fs, Hz | Qts | Vas, ft³ | Xmax, in | RMS, W |
|---|---|---|---|---|---|---|---|
| S-10TD | 10″ | dual 4 Ω | 37 | 0.80 | 0.74 | 0.27 | 275 |
| S-1004 | 10″ | 4 Ω | 33.5 | 0.40 | 1.55 | 0.35 | 275 |
| 3XL-1201D | 12″ | dual 1 Ω | 30.3 | 0.40 | 1.39 | 0.94 | 850 |
| 3XL-1210D | 12″ | dual 1 Ω | 35.5 | 0.58 | 0.92 | 0.75 | 1,000 |
| L-1204D | 12″ | dual 4 Ω | 30 | 0.49 | 2.14 | 0.43 | 400 |
| S-12T | 12″ | 4 Ω | 34 | 0.63 | 1.62 | 0.27 | 300 |
| S-1204D | 12″ | dual 4 Ω | 31 | 0.50 | 2.29 | 0.37 | 300 |
| 3XL-1501D | 15″ | dual 1 Ω | 25.9 | 0.37 | 4.12 | 0.94 | 1,000 |
| 3XL-1502D | 15″ | dual 2 Ω | 24.2 | 0.41 | 4.34 | 0.94 | 1,000 |
| M-1504 | 15″ | 4 Ω | 22.5 | 0.44 | 6.42 | 0.43 | 425 |
Click a column header to sort. “!” means the model’s published specs don’t add up; details are on its page.