Alpine SWS-2549

10" · 4 Ω · 150 W · 90.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	31 Hz
Qts	0.391
Qes	0.41
Qms	8.47
Vas	50.3 L
Sd	346.4 cm²
Xmax	2.5 mm
Re	3.9 Ω
Bl	12.8 T·m
Mms	88.1 g
Pe	150 W
Sensitivity	90.7 dB

Alignment hint

EBP	76 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 22.2 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
Volt DVC251.7	32 +1	0.387 =	53 +2.7	7.8 +5.3	92.6 +1.9	close		+
JBL CS1014	30 -1	0.436 +0.04	53.8 +3.5	6 +3.5	90.4 -0.3	close		+
Cobalt CS 10 DVC serie	30 -1	0.387 =	60 +9.7	6 +3.5	88.3 -2.4	usable	8 Ω vs 4 Ω: amp load changes	+
Morel ULTIMO 102	27 -4	0.391 =	47.4 -2.9	13.4 +10.9	90.8 +0.1	usable	2 Ω vs 4 Ω: amp load changes	+
JBL GT 1041D	26.4 -4.6	0.386 -0.01	52 +1.7	9 +6.5	91.9 +1.2	usable	2 Ω vs 4 Ω: amp load changes	+
Soundstream SS-10R	35 +4	0.375 -0.02	51 +0.7	6 +3.5	93.7 +3	usable		+
SICA 10 SR 2.5 CP 4 Ohms	35.3 +4.3	0.396 +0.01	54.9 +4.6	5.3 +2.8	93.4 +2.7	usable		+
SICA 10 SR 2 CP 4 Ohms	35.3 +4.3	0.396 +0.01	54.9 +4.6	5.3 +2.8	93.4 +2.7	usable		+
Davis 25SCA10W clio	40.2 +9.2	0.39 =	55.3 +5	3.5 +1	92.1 +1.4	usable	8 Ω vs 4 Ω: amp load changes · 60 W vs 150 W: lower power handling	+
Focal AUDIOM 11WX	38.5 +7.5	0.375 -0.02	42.8 -7.5	3.5 +1	90.3 -0.4	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the SWS-2549 →

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.