18 Sound 15LW1402

15" · 8 Ω · 1000 W · 98.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	42 Hz
Qts	0.28
Qes	0.29
Qms	8.1
Vas	126 L
Sd	900 cm²
Xmax	7 mm
Re	5.9 Ω
Bl	26.4 T·m
Mms	129.4 g
Pe	1000 W
Sensitivity	98.4 dB

Alignment hint

EBP	145 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 23.4 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 -0.01	131 +5	8.5 +1.5	98.5 +0.1	close		+
18 Sound 15LW1401	42 =	0.27 -0.01	131 +5	9 +2	98 -0.4	close		+
Faital PRO 15HP1020	40 -2	0.27 -0.01	126.6 +0.6	9 +2	98 -0.4	close	700 W vs 1000 W: lower power handling	+
B&C 14 NDL 76	41 -1	0.299 +0.02	123 -3	6.5 -0.5	98.4 =	close	500 W vs 1000 W: lower power handling · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL	+
Oberton 15XL701	45.25 +3.25	0.28 =	116.99 -9.01	8.75 +1.75	98 -0.4	close	700 W vs 1000 W: lower power handling	+
B&C 15 TBX 40	38 -4	0.277 =	131 +5	7.8 +0.8	97.8 -0.6	close		+
Oberton 15NXL701	43.4 +1.4	0.3 +0.02	127.09 +1.09	9.25 +2.25	99 +0.6	close	700 W vs 1000 W: lower power handling	+
Oberton 15NB500	42.77 +0.77	0.255 -0.03	121.46 -4.54	7.25 +0.25	99 +0.6	close	500 W vs 1000 W: lower power handling	+
Precision Devices 900 Series PD915	42.9 +0.9	0.28 =	129.52 +3.52	6 -1	97 -1.4	close	600 W vs 1000 W: lower power handling · Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
BMS 15S435	38 -4	0.28 =	129 +3	8 +1	97 -1.4	close		+

Compare the closest 3 against the 15LW1402 →

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.