Pioneer TS-SW124D(PREMIER)

12" · 4 Ω · 300 W · 83.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	31.7 Hz
Qts	0.55
Qes	0.56
Qms	38.54
Vas	28.062 L
Sd	403 cm²
Xmax	8.6 mm
Re	3.94 Ω
Bl	17.04 T·m
Mms	207 g
Pe	300 W
Sensitivity	83.9 dB

Alignment hint

EBP	57 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 43 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
JL Audio 12TW1-2	35 +3.3	0.577 +0.03	28.54 +0.48	10 +1.4	85.07 +1.17	close	2 Ω vs 4 Ω: amp load changes	+
JL Audio 12TW1-4	32.35 +0.65	0.529 -0.02	33.67 +5.61	10 +1.4	85.15 +1.25	close		+
Orion Audio H2 12.4	33.9 +2.2	0.61 +0.06	28.35 +0.29	29 +20.4	84.1 +0.2	close	8 Ω vs 4 Ω: amp load changes	+
Alpine SWX-1243D Type-X	29 -2.7	0.59 +0.04	38 +9.94	10.8 +2.2	84.2 +0.3	usable	8 Ω vs 4 Ω: amp load changes	+
Monacor RAPTOR 12 MK2	34 +2.3	0.523 -0.03	32 +3.94	10.1 +1.5	89.2 +5.3	usable		+
Hifonics MXZ 12D2	31 -0.7	0.443 -0.11	30 +1.94	10.3 +1.7	87.3 +3.4	usable	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio RSS315HE-22	32 +0.3	0.461 -0.09	32.4 +4.34	8.2 -0.4	88.1 +4.2	usable	8 Ω vs 4 Ω: amp load changes · Xmax 8.2 mm < 8.6 mm: lower excursion-limited SPL	+
Hifonics OLM800D4	29 -2.7	0.525 -0.03	41 +12.94	7.5 -1.1	84.9 +1	usable	8 Ω vs 4 Ω: amp load changes · Xmax 7.5 mm < 8.6 mm: lower excursion-limited SPL	+
Rockford Fosgate T112D2	31 -0.7	0.474 -0.08	34.8 +6.74	8.2 -0.4	89 +5.1	usable	Xmax 8.2 mm < 8.6 mm: lower excursion-limited SPL	+
MTX Audio 812	35 +3.3	0.422 -0.13	24.6 -3.46	10 +1.4	81.6 -2.3	usable	32 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the TS-SW124D(PREMIER) →

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.