18 Sound 15LW1401

15" · 8 Ω · 1000 W · 98 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	42 Hz
Qts	0.27
Qes	0.28
Qms	5.36
Vas	131 L
Sd	850 cm²
Xmax	9 mm
Re	5 Ω
Bl	24.2 T·m
Mms	125 g
Pe	1000 W
Sensitivity	98 dB

Alignment hint

EBP	150 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 22.4 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
18 Sound 15LW1410	42 =	0.27 =	131 =	8.5 -0.5	98.5 +0.5	close	Xmax 8.5 mm < 9 mm: lower excursion-limited SPL	+
Faital PRO 15HP1020	40 -2	0.27 =	126.6 -4.4	9 =	98 =	close	700 W vs 1000 W: lower power handling	+
18 Sound 15LW1401	39 -3	0.26 -0.01	127 -4	9 =	98 =	close	4 Ω vs 8 Ω: amp load changes	+
Faital PRO 15FX600	38 -4	0.27 =	128.3 -2.7	11.25 +2.25	98 =	close	700 W vs 1000 W: lower power handling	+
18 Sound 15NLW9401	39 -3	0.26 -0.01	134 +3	10 +1	97.5 -0.5	close		+
Oberton 15XL701	45.25 +3.25	0.28 +0.01	116.99 -14.01	8.75 -0.25	98 =	close	700 W vs 1000 W: lower power handling · Xmax 8.75 mm < 9 mm: lower excursion-limited SPL	+
B&C 15 TBX 40	38 -4	0.277 +0.01	131 =	7.8 -1.2	97.8 -0.2	close	Xmax 7.8 mm < 9 mm: lower excursion-limited SPL	+
Oberton 15NXL701	43.4 +1.4	0.3 +0.03	127.09 -3.91	9.25 +0.25	99 +1	close	700 W vs 1000 W: lower power handling	+
18 Sound 15LW2400	40 -2	0.3 +0.03	131 =	10 +1	97 -1	close		+
BMS 15N840V2-8	35.6 -6.4	0.268 =	130 -1	8.7 -0.3	97.2 -0.8	close	Xmax 8.7 mm < 9 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15LW1401 →

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.