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JL Audio 12W0V3-4

12" · 4 Ω · 300 W · 85.64 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs32.09 Hz
Qts0.67
Qes0.715
Qms10.709
Vas71.64 L
Sd481 cm²
Xmax11.4 mm
Re4.28 Ω
Bl11.67 T·m
Mms112.8 g
Pe300 W
Sensitivity85.64 dB

Alignment hint

EBP45 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 629.3 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 -1.090.66 -0.0161 -10.6411.7 +0.385.9 +0.26close+
Soundstream STEALTH-12429.98 -2.110.687 +0.0259.5 -12.1413 +1.684.8 -0.84close8 Ω vs 4 Ω: amp load changes+
JL Audio 12W0V3-428.4 -3.690.67 =71.6 -0.049.3 -2.188.3 +2.66close8 Ω vs 4 Ω: amp load changes · Xmax 9.3 mm < 11.4 mm: lower excursion-limited SPL+
Alpine SWE-124131 -1.090.653 -0.0261 -10.6411.3 -0.189.6 +3.96closeXmax 11.3 mm < 11.4 mm: lower excursion-limited SPL+
Rockford Fosgate T1D41229.2 -2.890.613 -0.0655.8 -15.8410.9 -0.585.8 +0.16usable8 Ω vs 4 Ω: amp load changes · Xmax 10.9 mm < 11.4 mm: lower excursion-limited SPL+
Rockford Fosgate P2D4-1227 -5.090.581 -0.0970.3 -1.3410.1 -1.386.8 +1.16usable8 Ω vs 4 Ω: amp load changes · Xmax 10.1 mm < 11.4 mm: lower excursion-limited SPL+
Infinity Kappa 123WDSSI 2Ohm34.2 +2.110.778 +0.1158.6153 -13.0210.2 -1.286.0429 +0.4usable2 Ω vs 4 Ω: amp load changes · Xmax 10.2 mm < 11.4 mm: lower excursion-limited SPL+
Rockford Fosgate R2SD4-1230.3 -1.790.653 -0.0265.4 -6.246.9 -4.586.7 +1.06usable8 Ω vs 4 Ω: amp load changes · Xmax 6.9 mm < 11.4 mm: lower excursion-limited SPL+
Dayton Audio UM12-2224.9 -7.190.589 -0.0871.6 -0.0412.5 +1.187.7 +2.06usable+
JL Audio 12W1V3-226.55 -5.540.52 -0.1572 +0.3611 -0.485.9 +0.26usable2 Ω vs 4 Ω: amp load changes · Xmax 11 mm < 11.4 mm: lower excursion-limited SPL+

Compare the closest 3 against the 12W0V3-4 →

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.