18 Sound 15NLW4500

15" · 8 Ω · 1500 W · 96.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.26
Qes	0.27
Qms	7.8
Vas	111 L
Sd	881 cm²
Xmax	14.5 mm
Re	5.4 Ω
Bl	29.7 T·m
Mms	201 g
Pe	1500 W
Sensitivity	96.3 dB

Alignment hint

EBP	130 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 17.4 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
B&C 15SW115	35 =	0.24 -0.02	110 -1	13.5 -1	96 -0.3	close	Xmax 13.5 mm < 14.5 mm: lower excursion-limited SPL	+
B&C 15SW115	34 -1	0.22 -0.04	105 -6	13.5 -1	96 -0.3	close	4 Ω vs 8 Ω: amp load changes · Xmax 13.5 mm < 14.5 mm: lower excursion-limited SPL	+
B&C 15SW100	37 +2	0.28 +0.02	99.5 -11.5	12.5 -2	95 -1.3	close	4 Ω vs 8 Ω: amp load changes · Xmax 12.5 mm < 14.5 mm: lower excursion-limited SPL	+
B&C 15NBX100	37 +2	0.27 +0.01	109.6 -1.4	10 -4.5	95 -1.3	close	4 Ω vs 8 Ω: amp load changes · 1000 W vs 1500 W: lower power handling · Xmax 10 mm < 14.5 mm: lower excursion-limited SPL	+
B&C 15TBX100	35 =	0.28 +0.02	113 +2	9 -5.5	96 -0.3	close	1000 W vs 1500 W: lower power handling · Xmax 9 mm < 14.5 mm: lower excursion-limited SPL	+
Faital PRO 15XL2400	32 -3	0.21 -0.05	113.9 +2.9	17.67 +3.17	96 -0.3	close		+
B&C 15SW100	37 +2	0.31 +0.05	110 -1	12.5 -2	95 -1.3	usable	Xmax 12.5 mm < 14.5 mm: lower excursion-limited SPL	+
18 Sound 15NLW4500	35 =	0.2 -0.06	126 +15	14.5 =	96.6 +0.3	usable	4 Ω vs 8 Ω: amp load changes	+
B&C 15 SW 115	35 =	0.237 -0.02	110 -1	8.8 -5.7	96.6 +0.3	usable	Xmax 8.8 mm < 14.5 mm: lower excursion-limited SPL	+
B&C 15DS100	39 +4	0.26 =	76 -35	14.5 =	96.8 +0.5	usable		+

Compare the closest 3 against the 15NLW4500 →

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.