18 Sound 15LW1400

15" · 8 Ω · 1000 W · 99.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	42 Hz
Qts	0.245
Qes	0.26
Qms	4.36
Vas	137 L
Sd	890 cm²
Xmax	6.7 mm
Re	5.8 Ω
Bl	26.2 T·m
Mms	116.4 g
Pe	1000 W
Sensitivity	99.3 dB

Alignment hint

EBP	162 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 18.7 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
B&C 15CL76	42 =	0.25 +0.01	140 +3	7 +0.3	98 -1.3	close	4 Ω vs 8 Ω: amp load changes · 400 W vs 1000 W: lower power handling	+
P.Audio P-15N	39.8 -2.2	0.254 +0.01	144.6 +7.6	7.5 +0.8	99.2 -0.1	close		+
Oberton 15NB451	39.57 -2.43	0.257 +0.01	145.21 +8.21	7 +0.3	99 -0.3	close	450 W vs 1000 W: lower power handling	+
Oberton 15NB500	42.77 +0.77	0.255 +0.01	121.46 -15.54	7.25 +0.55	99 -0.3	close	500 W vs 1000 W: lower power handling	+
18 Sound 15LW1410	42 =	0.27 +0.03	131 -6	8.5 +1.8	98.5 -0.8	close		+
B&C 15NW76	42 =	0.22 -0.02	130 -7	8 +1.3	100.5 +1.2	close	600 W vs 1000 W: lower power handling	+
18 Sound 15LW1401 4 Ohms	39 -3	0.26 +0.02	127 -10	7.4 +0.7	100 +0.7	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 15LW1401	42 =	0.27 +0.03	131 -6	9 +2.3	98 -1.3	close		+
Beyma 15P80/FE	41 -1	0.236 -0.01	159.3 +22.3	6.6 -0.1	100.6 +1.3	close	Xmax 6.6 mm < 6.7 mm: lower excursion-limited SPL	+
PHL Audio 6031	41 -1	0.236 -0.01	117 -20	6.3 -0.4	98.6 -0.7	close	Xmax 6.3 mm < 6.7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15LW1400 →

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.