Wavecor SW312WA04

12" · 8 Ω · 250 W · 86.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	29 Hz
Qts	0.569
Qes	0.6
Qms	11
Vas	61 L
Sd	488 cm²
Xmax	7.5 mm
Re	6.6 Ω
Bl	18.2 T·m
Mms	164.8 g
Pe	250 W
Sensitivity	86.8 dB

Alignment hint

EBP	48 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 112.1 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
Wavecor SW310WA01	28.5 -0.5	0.603 +0.03	65.5 +4.5	7.6 +0.1	86.8 =	close		+
Cerwin-Vega VEGA 124	30.3 +1.3	0.612 +0.04	60.3 -0.7	7 -0.5	86.4 -0.4	close	Xmax 7 mm < 7.5 mm: lower excursion-limited SPL	+
Monacor BLACKBASS-12 8 Ohms	29 =	0.482 -0.09	61 =	7.5 =	87.1 +0.3	close		+
JBL GT5-12 vp	29 =	0.582 +0.01	54.2 -6.8	6.7 -0.8	88.1 +1.3	close	Xmax 6.7 mm < 7.5 mm: lower excursion-limited SPL	+
Rockford Fosgate P2D4-12	27 -2	0.581 +0.01	70.3 +9.3	10.1 +2.6	86.8 =	close		+
Rockford Fosgate P3D4-12	27.7 -1.3	0.517 -0.05	57.7 -3.3	9.4 +1.9	86.3 -0.5	close		+
MTX Audio T5512-04	29.3 +0.3	0.583 +0.01	66.9 +5.9	7.3 -0.2	89.8 +3	close	4 Ω vs 8 Ω: amp load changes · Xmax 7.3 mm < 7.5 mm: lower excursion-limited SPL	+
Rockford Fosgate T1D412	29.2 +0.2	0.613 +0.04	55.8 -5.2	10.9 +3.4	85.8 -1	close		+
JL Audio 13TW5V2-2	27.6 -1.4	0.526 -0.04	60.3 -0.7	9 +1.5	89.2 +2.4	close	4 Ω vs 8 Ω: amp load changes	+
Dayton Audio UMII12-22	31 +2	0.564 -0.01	53 -8	10 +2.5	88.2 +1.4	close		+

Compare the closest 3 against the SW312WA04 →

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.