Treo subwoofers
Thiele/Small parameters of Treo subwoofers (10″, 12″, 15″, 18″) 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 |
|---|---|---|---|---|---|---|---|
| RSX 10.22 ! | 10″ | dual 2 Ω | 34.5 | 0.53 | 0.83 | 1.14 | 350 |
| RSX 10.44 ! | 10″ | dual 4 Ω | 29.8 | 0.57 | 1.18 | 1.14 | 350 |
| SSp 10.11 | 10″ | dual 1 Ω | 28.3 | 0.32 | 0.86 | 1.26 | 1,000 |
| TSi10.4 | 10″ | 4 Ω | 27.9 | 0.60 | 2.04 | 0.87 | 200 |
| RSX 12.22 ! | 12″ | dual 2 Ω | 23.2 | 0.51 | 3.39 | 1.14 | 350 |
| RSX 12.44 ! | 12″ | dual 4 Ω | 33.6 | 0.85 | 1.43 | 1.14 | 350 |
| SS12.22 | 12″ | dual 2 Ω | 23.7 | 0.53 | 1.57 | 1.06 | 500 |
| TS15.4 | 15″ | 4 Ω | 21.1 | 0.53 | 6.10 | 0.87 | 250 |
| TS15.8 | 15″ | 8 Ω | 23.2 | 0.69 | 5.62 | 0.87 | 250 |
| SSX18.22 | 18″ | dual 2 Ω | 22.9 | 0.46 | 5.93 | 1.10 | 2,500 |
Click a column header to sort. “!” means the model’s published specs don’t add up; details are on its page.