Pioneer TS-W310S4

12" · 4 Ω · 400 W · 89.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	35 Hz
Qts	0.634
Qes	0.67
Qms	11.93
Vas	35.4 L
Sd	518.8 cm²
Xmax	6.3 mm
Re	2.9 Ω
Bl	14.5 T·m
Mms	220.3 g
Pe	400 W
Sensitivity	89.9 dB

Alignment hint

EBP	52 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 145.1 L

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
Pioneer TS-W308D4	34.5 -0.5	0.625 -0.01	34.7 -0.7	6.4 +0.1	89.4 -0.5	close		+
Pioneer TS-W3003D4	35 =	0.588 -0.05	34.6 -0.8	6.2 -0.1	91.8 +1.9	close	Xmax 6.2 mm < 6.3 mm: lower excursion-limited SPL	+
Pioneer TS-SW3002S4	35 =	0.61 -0.02	35.4 =	8.8 +2.5	93 +3.1	close		+
Sony XS-L124P5B	33.1 -1.9	0.626 -0.01	44.5 +9.1	6 -0.3	88.8 -1.1	close	Xmax 6 mm < 6.3 mm: lower excursion-limited SPL	+
hertz Hertz Audio ES300.5	35 =	0.66 +0.03	48.5 +13.1	6.8 +0.5	90.8 +0.9	close		+
Powerbass S-12T	34.4 -0.6	0.634 =	45.92 +10.52	6.9 +0.6	85.8 -4.1	usable	300 W vs 400 W: lower power handling	+
Selenium 12SW3A DVC 2+2	35 =	0.724 +0.09	49 +13.6	6.5 +0.2	89.6 -0.3	usable		+
Monacor RAPTOR 12 MK2	34 -1	0.523 -0.11	32 -3.4	10.1 +3.8	89.2 -0.7	usable		+
Pioneer TS-W307D4	34.8 -0.2	0.52 -0.11	40.9 +5.5	7.4 +1.1	91.3 +1.4	usable		+
American Bass DX 12	35.6 +0.6	0.6 -0.03	41.5 +6.1	12 +5.7	86.2 -3.7	usable		+

Compare the closest 3 against the TS-W310S4 →

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.