18 Sound 18LW2500

18" · 8 Ω · 1600 W · 96 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	34 Hz
Qts	0.335
Qes	0.34
Qms	22
Vas	135 L
Sd	1130 cm²
Xmax	9.1 mm
Re	4.9 Ω
Bl	29.9 T·m
Mms	290.5 g
Pe	1600 W
Sensitivity	96 dB

Alignment hint

EBP	100 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 39.1 L

EBP 50-100: works in either a sealed or ported 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
Celestion CF18VJD	34.3 +0.3	0.336 =	150.6 +15.6	9 -0.1	95.5 -0.5	close	Xmax 9 mm < 9.1 mm: lower excursion-limited SPL	+
LaVoce SAF184.50	35 +1	0.329 -0.01	162 +27	9.2 +0.1	96.5 +0.5	close		+
18 Sound 18NLW4500	35 +1	0.33 -0.01	151 +16	15.3 +6.2	97 +1	close		+
B&C 18SW115	34 =	0.3 -0.04	149.1 +14.1	14 +4.9	96 =	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 18NLW4500	37 +3	0.31 -0.03	127 -8	14.75 +5.65	96.5 +0.5	close	4 Ω vs 8 Ω: amp load changes	+
B&C 18SW100	36 +2	0.36 +0.02	160 +25	12.5 +3.4	96 =	close	4 Ω vs 8 Ω: amp load changes	+
PD PD 1845-1N	34.1 +0.1	0.323 -0.01	176 +41	9.5 +0.4	97.5 +1.5	close		+
Precision Devices PD 1845-1N	34.1 +0.1	0.323 -0.01	176 +41	9.5 +0.4	97.5 +1.5	close		+
18 Sound 18NLW9600	34 =	0.281 -0.05	149 +14	9 -0.1	97.3 +1.3	close	Xmax 9 mm < 9.1 mm: lower excursion-limited SPL	+
Oberton 18NXB700	36.24 +2.24	0.312 -0.02	155.46 +20.46	9 -0.1	98 +2	close	1000 W vs 1600 W: lower power handling · Xmax 9 mm < 9.1 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 18LW2500 →

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.