Alpine SWR-1241D
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 2 Ω |
| Fs | 28 Hz |
| Qts | 0.427 |
| Qes | 0.45 |
| Qms | 8.31 |
| Vas | 58 L |
| Sd | 467.6 cm² |
| Xmax | 6.9 mm |
| Re | 1.8 Ω |
| Bl | 11 T·m |
| Mms | 170.7 g |
| Pe | 1000 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 62 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 33.3 L |
EBP 50-100: works in either a sealed or ported alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| Focal P30DB | 29.4 +1.4 | 0.427 = | 56.8 -1.2 | 7.7 +0.8 | 93.7 +0.7 | close | 400 W vs 1000 W: lower power handling | + |
| Pioneer TS-W306C | 32.6 +4.6 | 0.414 -0.01 | 55.6 -2.4 | 8.1 +1.2 | 92.8 -0.2 | close | 4 Ω vs 2 Ω: amp load changes · 400 W vs 1000 W: lower power handling | + |
| Powerbass L-124D 12 | 29 +1 | 0.489 +0.06 | 59 +1 | 9 +2.1 | 93.2 +0.2 | close | 400 W vs 1000 W: lower power handling | + |
| Resonant Engineering XXX 12D1 vp | 27 -1 | 0.401 -0.03 | 56.5 -1.5 | 12.9 +6 | 92 -1 | close | 4 Ω vs 2 Ω: amp load changes | + |
| JBL GTO 1214D | 28.3 +0.3 | 0.488 +0.06 | 66 +8 | 7.3 +0.4 | 92.9 -0.1 | close | 350 W vs 1000 W: lower power handling | + |
| JBL GTO 1214 | 28 = | 0.469 +0.04 | 58.2 +0.2 | 7.3 +0.4 | 89.4 -3.6 | close | 4 Ω vs 2 Ω: amp load changes · 350 W vs 1000 W: lower power handling | + |
| Magnat AD300 | 30 +2 | 0.411 -0.02 | 72 +14 | 7.3 +0.4 | 92.8 -0.2 | close | 4 Ω vs 2 Ω: amp load changes · 300 W vs 1000 W: lower power handling | + |
| Magnat AD 300 Séries II | 30 +2 | 0.411 -0.02 | 72 +14 | 7.3 +0.4 | 92.6 -0.4 | close | 4 Ω vs 2 Ω: amp load changes · 300 W vs 1000 W: lower power handling | + |
| Wavecor SW312WA03 | 28 = | 0.479 +0.05 | 61 +3 | 7.3 +0.4 | 90.2 -2.8 | close | 4 Ω vs 2 Ω: amp load changes · 250 W vs 1000 W: lower power handling | + |
| JBL P1220 | 28.7 +0.7 | 0.448 +0.02 | 47.4 -10.6 | 7.8 +0.9 | 91.8 -1.2 | close | 400 W vs 1000 W: lower power handling | + |
Compare the closest 3 against the SWR-1241D →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.