← all drivers

Alpine SWE-1241

12" · 4 Ω · 600 W · 89.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs31 Hz
Qts0.653
Qes0.7
Qms9.68
Vas61 L
Sd490.9 cm²
Xmax11.3 mm
Re3.6 Ω
Bl12.1 T·m
Mms146 g
Pe600 W
Sensitivity89.6 dB

Alignment hint

EBP44 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 353.5 L

EBP < 50: favours a sealed (closed) alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Alpine SWE-124231 =0.66 +0.0161 =11.7 +0.485.9 -3.7close250 W vs 600 W: lower power handling+
Soundstream STEALTH-12429.98 -1.020.687 +0.0359.5 -1.513 +1.784.8 -4.8close8 Ω vs 4 Ω: amp load changes · 350 W vs 600 W: lower power handling+
JL Audio 12W0V3-432.09 +1.090.67 +0.0271.64 +10.6411.4 +0.185.64 -3.96close300 W vs 600 W: lower power handling+
Rockford Fosgate T1D41229.2 -1.80.613 -0.0455.8 -5.210.9 -0.485.8 -3.8close8 Ω vs 4 Ω: amp load changes · Xmax 10.9 mm < 11.3 mm: lower excursion-limited SPL+
JL Audio 12W0V3-428.4 -2.60.67 +0.0271.6 +10.69.3 -288.3 -1.3usable8 Ω vs 4 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 9.3 mm < 11.3 mm: lower excursion-limited SPL+
Dayton Audio UMII12-2231 =0.564 -0.0953 -810 -1.388.2 -1.4usable8 Ω vs 4 Ω: amp load changes · Xmax 10 mm < 11.3 mm: lower excursion-limited SPL+
Rockford Fosgate T1D21228 -30.522 -0.1355.8 -5.210.9 -0.489.1 -0.5usableXmax 10.9 mm < 11.3 mm: lower excursion-limited SPL+
Sound Storm Labs CR12D30.7 -0.30.522 -0.1366.9 +5.910.3 -187.5 -2.1usable8 Ω vs 4 Ω: amp load changes · Xmax 10.3 mm < 11.3 mm: lower excursion-limited SPL+
Rockford Fosgate R2SD4-1230.3 -0.70.653 =65.4 +4.46.9 -4.486.7 -2.9usable8 Ω vs 4 Ω: amp load changes · 250 W vs 600 W: lower power handling · Xmax 6.9 mm < 11.3 mm: lower excursion-limited SPL+
MTX Audio T5512-0429.3 -1.70.583 -0.0766.9 +5.97.3 -489.8 +0.2usable300 W vs 600 W: lower power handling · Xmax 7.3 mm < 11.3 mm: lower excursion-limited SPL+

Compare the closest 3 against the SWE-1241 →

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.