JL Audio 12W1V3-4

12" · 4 Ω · 300 W · 86.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	26.21 Hz
Qts	0.5
Qes	0.533
Qms	8.2
Vas	76.63 L
Sd	525 cm²
Xmax	11 mm
Re	3.915 Ω
Bl	15.08 T·m
Mms	188.1 g
Pe	300 W
Sensitivity	86.1 dB

Alignment hint

EBP	49 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 76.6 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
JL Audio 12W1V3-2	26.55 +0.34	0.52 +0.02	72 -4.63	11 =	85.9 -0.2	close	2 Ω vs 4 Ω: amp load changes	+
Audio System HX12 SQ	28.2 +1.99	0.5 =	68 -8.63	11.8 +0.8	86.1 =	close		+
Infinity REFERENCE 1240W	25.4 -0.81	0.47 -0.03	84.4 +7.77	11.5 +0.5	86.3 +0.2	close		+
Infinity REFERENCE 1250W	25.4 -0.81	0.47 -0.03	84.4 +7.77	11.5 +0.5	86.3 +0.2	close		+
Dayton Audio RSS315HFA-8	25 -1.21	0.526 +0.03	75 -1.63	9.9 -1.1	85.5 -0.6	close	8 Ω vs 4 Ω: amp load changes · Xmax 9.9 mm < 11 mm: lower excursion-limited SPL	+
Infinity PRIMUS 1270	29.7 +3.49	0.49 -0.01	75.7 -0.93	11.3 +0.3	87.3 +1.2	close		+
Infinity KAPPA 1200W	26.5 +0.29	0.496 =	64.47 -12.16	12.75 +1.75	85.1 -1	close	2 Ω vs 4 Ω: amp load changes	+
Rockford Fosgate S2-124	27 +0.79	0.498 =	77 +0.37	10.7 -0.3	89.9 +3.8	close	Xmax 10.7 mm < 11 mm: lower excursion-limited SPL	+
JL Audio 12W6V2-D4	25 -1.21	0.45 -0.05	79.9 +3.27	12.7 +1.7	86.9 +0.8	close	8 Ω vs 4 Ω: amp load changes	+
Audiomobile ELITE 2212	28 +1.79	0.48 -0.02	59.46 -17.17	12.7 +1.7	85.8 -0.3	close		+

Compare the closest 3 against the 12W1V3-4 →

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.