18 Sound 18LW2600

18" · 8 Ω · 1500 W · 96.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	31 Hz
Qts	0.29
Qes	0.3
Qms	11.7
Vas	187 L
Sd	1225 cm²
Xmax	14.8 mm
Re	4.9 Ω
Bl	31 T·m
Mms	303 g
Pe	1500 W
Sensitivity	96.8 dB

Alignment hint

EBP	103 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 37.8 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 18SW115	32 +1	0.3 +0.01	187 =	14 -0.8	97 +0.2	close	Xmax 14 mm < 14.8 mm: lower excursion-limited SPL	+
18 Sound 18LW2600	30 -1	0.28 -0.01	186 -1	14 -0.8	96.5 -0.3	close	4 Ω vs 8 Ω: amp load changes · Xmax 14 mm < 14.8 mm: lower excursion-limited SPL	+
Oberton 18NXB1600	32.37 +1.37	0.303 +0.01	173.11 -13.89	13.5 -1.3	97 +0.2	close	Xmax 13.5 mm < 14.8 mm: lower excursion-limited SPL	+
RCF LF18N408	30 -1	0.33 +0.04	193 +6	15 +0.2	97 +0.2	close		+
18 Sound 18NLW4100	31 =	0.34 +0.05	180 -7	15 +0.2	96.5 -0.3	close		+
18 Sound 18NLW4100	29 -2	0.27 -0.02	207 +20	15 +0.2	97 +0.2	close	4 Ω vs 8 Ω: amp load changes	+
RCF LF18X451	30 -1	0.28 -0.01	220 +33	14 -0.8	97 +0.2	close	Xmax 14 mm < 14.8 mm: lower excursion-limited SPL	+
18 Sound 18NTLW5000	32 +1	0.3 +0.01	165 -22	17.5 +2.7	95 -1.8	close	4 Ω vs 8 Ω: amp load changes	+
B&C 18DS100	34 +3	0.29 =	155 -32	14.5 -0.3	97.5 +0.7	close	Xmax 14.5 mm < 14.8 mm: lower excursion-limited SPL	+
18 Sound 18NLW9000	34 +3	0.31 +0.02	206 +19	14 -0.8	97 +0.2	close	Xmax 14 mm < 14.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 18LW2600 →

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.