18 Sound 18W1300

18" · 8 Ω · 850 W · 99.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	35 Hz
Qts	0.33
Qes	0.35
Qms	5
Vas	336 L
Sd	1225 cm²
Xmax	8.5 mm
Re	5 Ω
Bl	20.4 T·m
Mms	129 g
Pe	850 W
Sensitivity	99.5 dB

Alignment hint

EBP	100 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 93.6 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
Peavey LO MAX 18 v2011	33.5 -1.5	0.321 -0.01	294.4 -41.6	10.2 +1.7	98.9 -0.6	close		+
JBL 2268H	33 -2	0.354 +0.02	328 -8	8 -0.5	98.6 -0.9	close	Xmax 8 mm < 8.5 mm: lower excursion-limited SPL	+
Eminence KAPPA PRO 18 LF-8	32 -3	0.329 =	391 +55	8 -0.5	99.5 =	close	Xmax 8 mm < 8.5 mm: lower excursion-limited SPL	+
PHL Audio 7080	33 -2	0.347 +0.02	315 -21	8 -0.5	98.3 -1.2	close	Xmax 8 mm < 8.5 mm: lower excursion-limited SPL	+
Eminence Kappa Pro 18LF2	32 -3	0.33 =	391.61 +55.61	8 -0.5	98 -1.5	close	Xmax 8 mm < 8.5 mm: lower excursion-limited SPL	+
PD PD 18BR40	30 -5	0.32 -0.01	309 -27	9.3 +0.8	98 -1.5	close		+
Precision Devices PD 18BR40	30 -5	0.32 -0.01	309 -27	9.3 +0.8	98 -1.5	close		+
Monacor SP-18/600FH	30 -5	0.327 =	404 +68	9.3 +0.8	99 -0.5	close	600 W vs 850 W: lower power handling	+
Faital PRO 18FH500 v2016	30 -5	0.35 +0.02	374.8 +38.8	9.2 +0.7	98.4 -1.1	close	500 W vs 850 W: lower power handling	+
B&C 18 RXB	33 -2	0.282 -0.05	370 +34	10 +1.5	100.3 +0.8	close		+

Compare the closest 3 against the 18W1300 →

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.