Skar Audio EV-12 S4

12" · 4 Ω · 200 W · 88 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	45.7 Hz
Qts	0.71
Qes	0.804
Qms	6.08
Vas	34.8 L
Sd	536 cm²
Xmax	8.5 mm
Re	3.42 Ω
Bl	13.6 T·m
Mms	151.6 g
Pe	200 W
Sensitivity	88 dB

Alignment hint

EBP	57 · flexible
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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
Skar Audio EV-12 S2	43.1 -2.6	0.7 -0.01	36.7 +1.9	8.5 =	87.6 -0.4	close	2 Ω vs 4 Ω: amp load changes	+
Monacor RAPTOR 12	43 -2.7	0.624 -0.09	27.5 -7.3	8.5 =	90.7 +2.7	usable		+
Ground Zero GZIW 12XSPL-D2	32.5 -13.2	0.736 +0.03	40.4 +5.6	7.6 -0.9	87.1 -0.9	usable	8 Ω vs 4 Ω: amp load changes · Xmax 7.6 mm < 8.5 mm: lower excursion-limited SPL	+
Pioneer TS-W310D4	37 -8.7	0.778 +0.07	37.4 +2.6	6.2 -2.3	87 -1	usable	8 Ω vs 4 Ω: amp load changes · Xmax 6.2 mm < 8.5 mm: lower excursion-limited SPL	+
Pioneer TS-W311S4	42 -3.7	0.795 +0.09	37.5 +2.7	5.8 -2.7	91.4 +3.4	usable	Xmax 5.8 mm < 8.5 mm: lower excursion-limited SPL	+
Pioneer TS-W308D4	34.5 -11.2	0.625 -0.08	34.7 -0.1	6.4 -2.1	89.4 +1.4	usable	Xmax 6.4 mm < 8.5 mm: lower excursion-limited SPL	+
Pioneer TS-W310S4	35 -10.7	0.634 -0.08	35.4 +0.6	6.3 -2.2	89.9 +1.9	usable	Xmax 6.3 mm < 8.5 mm: lower excursion-limited SPL	+
Hertz Audio ES 300.5	35 -10.7	0.66 -0.05	48.5 +13.7	9 +0.5	86.6 -1.4	usable		+
Pioneer TS-SW3002S4	35 -10.7	0.61 -0.1	35.4 +0.6	8.8 +0.3	93 +5	usable		+
Pioneer TS-W309D4	37.2 -8.5	0.811 +0.1	33.8 -1	5.7 -2.8	86.4 -1.6	usable	8 Ω vs 4 Ω: amp load changes · Xmax 5.7 mm < 8.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the EV-12 S4 →

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.