JBL subwoofers
Thiele/Small parameters of JBL subwoofers (8″, 10″, 12″, 15″, 18″) and a recommended sealed and ported box for every model, in a free sub box calculator.
41 models
| Model | Size | Voice coils | Fs, Hz | Qts | Vas, ft³ | Xmax, in | RMS, W |
|---|---|---|---|---|---|---|---|
| GTO804 | 8″ | 4 Ω | 29.6 | 0.42 | 0.58 | 0.45 | 200 |
| Stage 810 | 8″ | 4 Ω | 41.6 | 0.35 | 0.56 | 0.24 | 200 |
| 1000GTi | 10″ | 4 Ω | 62 | 0.64 | 0.67 | 0.24 | 300 |
| Club 1024 (SSI set to 2 ohm) | 10″ | 2 Ω | 29.9 | 0.43 | 1.14 | 0.37 | 250 |
| Club 1024 (SSI set to 4 ohm) | 10″ | 4 Ω | 30.7 | 0.49 | 1.08 | 0.37 | 250 |
| GT5-10 | 10″ | 4 Ω | 30 | 0.50 | 1.11 | 0.56 | 275 |
| GT1041 | 10″ | 4 Ω | 29.6 | 0.39 | 1.94 | 0.47 | 275 |
| GTO1004D | 10″ | dual 4 Ω | 27.7 | 0.44 | 1.51 | 0.49 | 250 |
| GTO1014 | 10″ | 4 Ω | 28.7 | 0.46 | 1.03 | 0.57 | 350 |
| MS-10SD2 | 10″ | dual 2 Ω | 34 | 0.39 | 1.31 | 0.24 | 300 |
| S3-1024 (SSI 4 ohm) | 10″ | 4 Ω | 30.2 | 0.48 | 0.89 | 0.47 | 450 |
| S3-1024 / Stadium 1024 (SSI 2 ohm) | 10″ | 2 Ω | 30.6 | 0.48 | 0.86 | 0.47 | 450 |
| Stage 1010 | 10″ | 4 Ω | 37.1 | 0.43 | 1.47 | 0.24 | 225 |
| W10GTi MkII | 10″ | dual 6 Ω | 29.1 | 0.52 | 1.25 | 0.70 | 600 |
| 1200GTi | 12″ | 4 Ω | 37 | 0.47 | 2.00 | 0.22 | 600 |
| Club 1224 (SSI set to 2 ohm) | 12″ | 2 Ω | 31.9 | 0.52 | 2.16 | 0.41 | 275 |
| Club 1224 (SSI set to 4 ohm) | 12″ | 4 Ω | 32.4 | 0.58 | 2.11 | 0.41 | 275 |
| Club WS1200 (2 ohm) | 12″ | 2 Ω | 22.8 | 0.52 | 3.44 | 0.30 | 250 |
| Club WS1200 (4 ohm) | 12″ | 4 Ω | 22.8 | 0.54 | 3.45 | 0.30 | 250 |
| Club WS1200 (SSI set to 2 ohm) | 12″ | 2 Ω | 22.8 | 0.52 | 3.44 | 0.30 | 250 |
| Club WS1200 (SSI set to 4 ohm) | 12″ | 4 Ω | 22.8 | 0.54 | 3.45 | 0.30 | 250 |
| GT5-12 | 12″ | 4 Ω | 29 | 0.58 | 1.91 | 0.56 | 275 |
| GT5-12D | 12″ | dual 4 Ω | 26.5 | 0.64 | 2.41 | 0.56 | 275 |
| GT120 | 12″ | 4 Ω | 24.8 | 0.43 | 3.22 | 0.49 | 250 |
| GTO1202D | 12″ | dual 2 Ω | 23.5 | 0.44 | 3.45 | 0.49 | 300 |
| GTO1214 | 12″ | 4 Ω | 28 | 0.47 | 2.06 | 0.57 | 350 |
| GTO1214D | 12″ | dual 4 Ω | 28.3 | 0.49 | 2.33 | 0.57 | 350 |
| MS-12SD2 | 12″ | dual 2 Ω | 35 | 0.72 | 1.73 | 0.26 | 450 |
| MS-12SD4 | 12″ | dual 4 Ω | 37 | 0.85 | 1.66 | 0.28 | 450 |
| P1222 | 12″ | dual 2 Ω | 28.6 | 0.55 | 1.53 | 0.55 | 400 |
| S3-1224 (SSI 2 ohm) | 12″ | 2 Ω | 28.8 | 0.47 | 1.93 | 0.47 | 500 |
| S3-1224 / Stadium 1224 (SSI 4 ohm) | 12″ | 4 Ω | 29.1 | 0.47 | 1.86 | 0.47 | 500 |
| Stage 1210 | 12″ | 4 Ω | 31.7 | 0.55 | 2.28 | 0.45 | 250 |
| W12GTi / W12GTi MkII | 12″ | dual 6 Ω | 31.8 | 0.51 | 1.58 | 0.80 | 700 |
| 1500GTi | 15″ | 4 Ω | 35 | 0.34 | 6.67 | 0.22 | 600 |
| GT5-15 | 15″ | 4 Ω | 27.3 | 0.67 | 3.76 | 0.57 | 300 |
| GTO1502D | 15″ | dual 2 Ω | 25 | 0.50 | 6.04 | 0.33 | 300 |
| GTO1514D | 15″ | dual 4 Ω | 24.9 | 0.48 | 5.70 | 0.57 | 350 |
| P1500 | 15″ | 5 Ω | 28 | 0.43 | 8.69 | 0.17 | 300 |
| W15GTi MkII | 15″ | dual 6 Ω | 25.2 | 0.48 | 4.67 | 0.79 | 800 |
| 1800GTi | 18″ | 4 Ω | 30 | 0.43 | 12.81 | 0.22 | 600 |
Click a column header to sort. “!” means the model’s published specs don’t add up; details are on its page.