BMS 18S430V1

18" · 8 Ω · 1200 W · 94.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	25.5 Hz
Qts	0.383
Qes	0.41
Qms	5.8
Vas	288 L
Sd	1212 cm²
Xmax	7.5 mm
Re	5.5 Ω
Bl	24.5 T·m
Mms	278.5 g
Pe	1200 W
Sensitivity	94.3 dB

Alignment hint

EBP	62 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 119.6 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
AER SB 18	26 +0.5	0.383 =	288 =	8.3 +0.8	94.5 +0.2	close	500 W vs 1200 W: lower power handling	+
Beyma 18PWB1000/FE v2016	27 +1.5	0.381 =	317 +29	11.7 +4.2	95.2 +0.9	close		+
BMS 18N860	24 -1.5	0.372 -0.01	304 +16	15 +7.5	93.7 -0.6	close		+
Beyma 18G550 (prodance)	29.5 +4	0.382 =	291 +3	9 +1.5	96.7 +2.4	close	900 W vs 1200 W: lower power handling	+
Beyma 18PWB1000Fe/S	27 +1.5	0.38 =	317 +29	12.5 +5	96 +1.7	close		+
BMS 18N862 vp	24.8 -0.7	0.383 =	345.6 +57.6	16.2 +8.7	94.8 +0.5	close		+
Peavey LOW RIDER 18	28.9 +3.4	0.429 +0.05	288 =	9.6 +2.1	93.7 -0.6	close	800 W vs 1200 W: lower power handling	+
Dayton Audio DCS450-4	24.9 -0.6	0.468 +0.09	280.3 -7.7	7.5 =	95.2 +0.9	close	4 Ω vs 8 Ω: amp load changes · 300 W vs 1200 W: lower power handling	+
BMS 18N830V2	31 +5.5	0.37 -0.01	262 -26	8 +0.5	94.9 +0.6	close	6 Ω vs 8 Ω: amp load changes · 550 W vs 1200 W: lower power handling	+
Sica 18 PFS 4	28.7 +3.2	0.37 -0.01	245.9 -42.1	9.5 +2	95.1 +0.8	close		+

Compare the closest 3 against the 18S430V1 →

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.