Infinity subwoofers
Thiele/Small parameters of Infinity subwoofers (8″, 10″, 12″) and a recommended sealed and ported box for every model, in a free sub box calculator.
24 models
| Model | Size | Voice coils | Fs, Hz | Qts | Vas, ft³ | Xmax, in | RMS, W |
|---|---|---|---|---|---|---|---|
| Beta EightX (8X) | 8″ | 4 Ω | 31.7 | 0.33 | 1.19 | 0.37 | 200 |
| Kappa 800W | 8″ | 2 Ω | 34.5 | 0.41 | 0.45 | 0.37 | 400 |
| Reference 860W | 8″ | 4 Ω | 29.6 | 0.45 | 0.54 | 0.51 | 250 |
| Kappa 100.9W | 10″ | 4 Ω | 33.8 | 0.44 | 0.64 | 0.69 | 350 |
| Kappa 1000W (SSI 2 ohm) | 10″ | 2 Ω | 30.5 | 0.37 | 0.96 | 0.41 | 450 |
| Kappa Perfect 10.1 | 10″ | 4 Ω | 28.4 | 0.42 | 1.36 | 0.56 | 350 |
| Reference 1000S | 10″ | 2 Ω | 30 | 0.58 | 1.20 | 0.30 | 200 |
| Reference 1030W | 10″ | 4 Ω | 29.6 | 0.38 | 1.26 | 0.48 | 250 |
| Reference 1050W | 10″ | 4 Ω | 29 | 0.44 | 1.34 | 0.45 | 250 |
| Reference 1052W | 10″ | dual 4 Ω | 28.8 | 0.46 | 1.41 | 0.49 | 250 |
| Reference 1060W | 10″ | 4 Ω | 29 | 0.42 | 1.16 | 0.51 | 275 |
| Kappa 120.1DVC | 12″ | dual 4 Ω | 23.1 | 0.43 | 5.47 | 0.37 | 250 |
| Kappa 120.3DVC | 12″ | dual 4 Ω | 26.8 | 0.43 | 2.47 | 0.53 | 300 |
| Kappa 120.9W | 12″ | 2 Ω | 27.2 | 0.46 | 1.92 | 0.69 | 350 |
| Kappa 122.7W | 12″ | dual 2 Ω | 20.6 | 0.46 | 3.47 | 0.47 | 350 |
| Kappa 1200W (SSI 2 ohm) | 12″ | 2 Ω | 26.5 | 0.50 | 2.28 | 0.50 | 500 |
| Kappa Perfect 12.1 | 12″ | 4 Ω | 23.3 | 0.44 | 3.53 | 0.56 | 350 |
| Kappa Perfect 12D VQ (Low-Q setting) | 12″ | dual 4 Ω | 22 | 0.30 | 3.33 | 0.66 | 400 |
| Primus 1270 | 12″ | 4 Ω | 29.7 | 0.49 | 2.67 | 0.45 | 300 |
| Reference 1200S | 12″ | 4 Ω | 22.8 | 0.54 | 3.45 | 0.30 | 250 |
| Reference 1240W | 12″ | 4 Ω | 25.4 | 0.47 | 2.98 | 0.45 | 300 |
| Reference 1250W | 12″ | 4 Ω | 25.4 | 0.47 | 2.98 | 0.45 | 300 |
| Reference 1260W | 12″ | 4 Ω | 23.5 | 0.39 | 2.93 | 0.51 | 300 |
| Reference 1262W | 12″ | dual 4 Ω | 25 | 0.46 | 2.83 | 0.51 | 300 |
Click a column header to sort. “!” means the model’s published specs don’t add up; details are on its page.