18 Sound 18NLW9600

18" · 8 Ω · 1800 W · 97.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	34 Hz
Qts	0.281
Qes	0.29
Qms	8.7
Vas	149 L
Sd	1143 cm²
Xmax	9 mm
Re	4.7 Ω
Bl	30.5 T·m
Mms	269.3 g
Pe	1800 W
Sensitivity	97.3 dB

Alignment hint

EBP	117 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 27.9 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
Oberton 18NXB1601	34.6 +0.6	0.286 =	146.2 -2.8	8.2 -0.8	96.9 -0.4	close	Xmax 8.2 mm < 9 mm: lower excursion-limited SPL	+
B&C 18DS100	34 =	0.29 +0.01	155 +6	14.5 +5.5	97.5 +0.2	close		+
B&C 18SW115	34 =	0.3 +0.02	149.1 +0.1	14 +5	96 -1.3	close	4 Ω vs 8 Ω: amp load changes	+
Oberton 18NXB700	36.24 +2.24	0.312 +0.03	155.46 +6.46	9 =	98 +0.7	close	1000 W vs 1800 W: lower power handling	+
Oberton 18XB1300	35.2 +1.2	0.287 +0.01	170.9 +21.9	8 -1	97.8 +0.5	close	1300 W vs 1800 W: lower power handling · Xmax 8 mm < 9 mm: lower excursion-limited SPL	+
B&C 18PZB100	38 +4	0.28 =	164 +15	8 -1	96.5 -0.8	close	4 Ω vs 8 Ω: amp load changes · 700 W vs 1800 W: lower power handling · Xmax 8 mm < 9 mm: lower excursion-limited SPL	+
Oberton 18XB1301DS	35.7 +1.7	0.302 +0.02	172.9 +23.9	12 +3	97.5 +0.2	close	1300 W vs 1800 W: lower power handling	+
Celestion CF18VJD	34.3 +0.3	0.336 +0.05	150.6 +1.6	9 =	95.5 -1.8	close		+
PD PD 1845-1N	34.1 +0.1	0.323 +0.04	176 +27	9.5 +0.5	97.5 +0.2	close		+
Precision Devices PD 1845-1N	34.1 +0.1	0.323 +0.04	176 +27	9.5 +0.5	97.5 +0.2	close		+

Compare the closest 3 against the 18NLW9600 →

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.