18 Sound 15LW2400

15" · 8 Ω · 1200 W · 97 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	40 Hz
Qts	0.3
Qes	0.32
Qms	4.75
Vas	131 L
Sd	850 cm²
Xmax	10 mm
Re	5.3 Ω
Bl	24 T·m
Mms	138 g
Pe	1200 W
Sensitivity	97 dB

Alignment hint

EBP	125 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 28.8 L

EBP > 100: favours a ported (bass-reflex) 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
Beyma 15LEX1200Nd	36 -4	0.3 =	127 -4	11 +1	97 =	close		+
Sica 15 S 4 PL	39.5 -0.5	0.32 +0.02	127.6 -3.4	10 =	97.8 +0.8	close		+
B&C 15NBX100	36 -4	0.29 -0.01	125 -6	10 =	97 =	close		+
BMS 15N840 v2015	35.6 -4.4	0.303 =	145.7 +14.7	9.9 -0.1	97.1 +0.1	close	Xmax 9.9 mm < 10 mm: lower excursion-limited SPL	+
18 Sound 15NLW9401	39 -1	0.26 -0.04	134 +3	10 =	97.5 +0.5	close		+
Oberton 15NXL701	43.4 +3.4	0.3 =	127.09 -3.91	9.25 -0.75	99 +2	close	700 W vs 1200 W: lower power handling · Xmax 9.25 mm < 10 mm: lower excursion-limited SPL	+
Faital PRO 15FX600	38 -2	0.27 -0.03	128.3 -2.7	11.25 +1.25	98 +1	close	700 W vs 1200 W: lower power handling	+
Faital PRO 15HP1020	40 =	0.27 -0.03	126.6 -4.4	9 -1	98 +1	close	700 W vs 1200 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL	+
BMS 15S435	38 -2	0.28 -0.02	129 -2	8 -2	97 =	close	Xmax 8 mm < 10 mm: lower excursion-limited SPL	+
Oberton 15NXB1201	38.49 -1.51	0.324 +0.02	111.94 -19.06	12 +2	97 =	close		+

Compare the closest 3 against the 15LW2400 →

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.