18 Sound 18NLW9601

18" · 8 Ω · 1800 W · 96 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	39 Hz
Qts	0.28
Qes	0.3
Qms	5.7
Vas	120 L
Sd	1130 cm²
Xmax	14 mm
Re	4.7 Ω
Bl	31 T·m
Mms	275 g
Pe	1800 W
Sensitivity	96 dB

Alignment hint

EBP	130 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 22.3 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 18NLW9601	38 -1	0.28 =	111 -9	14 =	96 =	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 18NLW4500	37 -2	0.31 +0.03	127 +7	14.75 +0.75	96.5 +0.5	close	4 Ω vs 8 Ω: amp load changes	+
B&C 18SW115	34 -5	0.3 +0.02	149.1 +29.1	14 =	96 =	close	4 Ω vs 8 Ω: amp load changes	+
B&C 18DS100	34 -5	0.29 +0.01	155 +35	14.5 +0.5	97.5 +1.5	usable		+
18 Sound 18NLW9601C	38 -1	0.34 +0.06	99 -21	14 =	95 -1	usable		+
18 Sound 18NLW4500	35 -4	0.33 +0.05	151 +31	15.3 +1.3	97 +1	usable		+
18 Sound 18NTLW5000	32 -7	0.3 +0.02	165 +45	17.5 +3.5	95 -1	usable	4 Ω vs 8 Ω: amp load changes	+
B&C 18RS115	33 -6	0.22 -0.06	125 +5	23.5 +9.5	97.4 +1.4	usable		+
Oberton 18XB1301DS	35.7 -3.3	0.302 +0.02	172.9 +52.9	12 -2	97.5 +1.5	usable	1300 W vs 1800 W: lower power handling · Xmax 12 mm < 14 mm: lower excursion-limited SPL	+
B&C 18PZB100	38 -1	0.28 =	164 +44	8 -6	96.5 +0.5	usable	4 Ω vs 8 Ω: amp load changes · 700 W vs 1800 W: lower power handling · Xmax 8 mm < 14 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 18NLW9601 →

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.