18 Sound 15NLW9500

15" · 8 Ω · 1000 W · 96 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.32
Qes	0.34
Qms	6.7
Vas	163 L
Sd	850 cm²
Xmax	9 mm
Re	4.9 Ω
Bl	21.6 T·m
Mms	146 g
Pe	1000 W
Sensitivity	96 dB

Alignment hint

EBP	103 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 42 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
Eminence KAPPA PRO 15 LF v2	35 =	0.31 -0.01	172.5 +9.5	8.7 -0.3	96.8 +0.8	close	600 W vs 1000 W: lower power handling · Xmax 8.7 mm < 9 mm: lower excursion-limited SPL	+
Elokance 15WF2400	38 +3	0.32 =	165.2 +2.2	10.5 +1.5	98.1 +2.1	close		+
Fane COLOSSUS 15XS	36.3 +1.3	0.307 -0.01	149.7 -13.3	9.1 +0.1	97.3 +1.3	close		+
Fane COLOSSUS PRIME 15XS	36.3 +1.3	0.307 -0.01	149.7 -13.3	9.1 +0.1	97.3 +1.3	close		+
Fane COLOSSUS 15XB	38 +3	0.32 =	168 +5	7.5 -1.5	96.2 +0.2	close	400 W vs 1000 W: lower power handling · Xmax 7.5 mm < 9 mm: lower excursion-limited SPL	+
18 Sound 15NLW9500	34 -1	0.29 -0.03	147.5 -15.5	9 =	96 =	close	4 Ω vs 8 Ω: amp load changes	+
Beyma 15P1000	35 =	0.293 -0.03	146 -17	8.7 -0.3	96.3 +0.3	close	Xmax 8.7 mm < 9 mm: lower excursion-limited SPL	+
B&C 15 PS 100 (prodance)	34.8 -0.2	0.339 +0.02	148.7 -14.3	8 -1	96.2 +0.2	close	700 W vs 1000 W: lower power handling · Xmax 8 mm < 9 mm: lower excursion-limited SPL	+
BMS 15N840 v2015	35.6 +0.6	0.303 -0.02	145.7 -17.3	9.9 +0.9	97.1 +1.1	close		+
Faital PRO 15FH520	38 +3	0.34 +0.02	153.2 -9.8	9.15 +0.15	97 +1	close	4 Ω vs 8 Ω: amp load changes · 600 W vs 1000 W: lower power handling	+

Compare the closest 3 against the 15NLW9500 →

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.