Pioneer TS-SW2541D

10" · 4 Ω · 250 W · 80 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	43.5 Hz
Qts	0.95
Qes	1.04
Qms	11.3
Vas	8.25 L
Sd	293 cm²
Xmax	6 mm
Re	3.6 Ω
Bl	13.7 T·m
Mms	197 g
Pe	250 W
Sensitivity	80 dB

Alignment hint

EBP	42 · sealed
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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
Pioneer TS-SW251	41.3 -2.2	1.09 +0.14	9.75 +1.5	6.6 +0.6	79.6 -0.4	close		+
Pioneer TS-SW2501S4	41.6 -1.9	0.93 -0.02	10.3 +2.05	3.6 -2.4	84.9 +4.9	usable	Xmax 3.6 mm < 6 mm: lower excursion-limited SPL	+
Pioneer TS-W2501D4	38.8 -4.7	0.721 -0.23	6.3 -1.95	6 =	82.7 +2.7	usable		+
Kenwood KFC-W2511	60 +16.5	0.84 -0.11	9.38 +1.13	7 +1	85.2 +5.2	usable		+
Pioneer TS-SW2502S4	42 -1.5	0.97 +0.02	18.5 +10.25	6.5 +0.5	83 +3	usable		+
JL Audio 10TW1-2	41.45 -2.05	0.65 -0.3	10.31 +2.06	10.31 +4.31	82.5 +2.5	usable	2 Ω vs 4 Ω: amp load changes	+
Focal 27 KX	48 +4.5	0.908 -0.04	14.9 +6.65	4.5 -1.5	86.7 +6.7	usable	8 Ω vs 4 Ω: amp load changes · Xmax 4.5 mm < 6 mm: lower excursion-limited SPL	+
Xtant X2 1044	37.2 -6.3	0.961 +0.01	15.9 +7.65	5.7 -0.3	88.5 +8.5	risky	2 Ω vs 4 Ω: amp load changes · Xmax 5.7 mm < 6 mm: lower excursion-limited SPL	+
Pioneer TS-W2502D2	34.7 -8.8	0.659 -0.29	6.2 -2.05	6.3 +0.3	85 +5	risky	2 Ω vs 4 Ω: amp load changes	+
Skar Audio EV-10 S4	50.9 +7.4	0.76 -0.19	14 +5.75	8.5 +2.5	85.2 +5.2	risky	150 W vs 250 W: lower power handling	+

Compare the closest 3 against the TS-SW2541D →

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.