DAS Audio S1846 vp1

18" · 8 Ω · 550 W · 98.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	36.3 Hz
Qts	0.403
Qes	0.519
Qms	1.809
Vas	389.4 L
Sd	1164.2 cm²
Xmax	8 mm
Re	6.1 Ω
Bl	15.8 T·m
Mms	93.6 g
Pe	550 W
Sensitivity	98.7 dB

Alignment hint

EBP	70 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 187.3 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
JBL 2241H	35 -1.3	0.4 =	310 -79.4	7.6 -0.4	98.9 +0.2	close	Xmax 7.6 mm < 8 mm: lower excursion-limited SPL	+
JBL 2042H	39 +2.7	0.404 =	337 -52.4	7.1 -0.9	101.3 +2.6	close	Xmax 7.1 mm < 8 mm: lower excursion-limited SPL	+
JBL 2268H	33 -3.3	0.354 -0.05	328 -61.4	8 =	98.6 -0.1	close		+
Eminence Kappa Pro 18LF2	32 -4.3	0.33 -0.07	391.61 +2.21	8 =	98 -0.7	close		+
PHL Audio 7090	36 -0.3	0.386 -0.02	260 -129.4	8 =	98.2 -0.5	close		+
Eminence KAPPA PRO 18 LF-8	32 -4.3	0.329 -0.07	391 +1.6	8 =	99.5 +0.8	close		+
JBL 2241G	35 -1.3	0.4 =	310 -79.4	7.5 -0.5	101.9 +3.2	close	4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 8 mm: lower excursion-limited SPL	+
Selenium 18SWS1100	34 -2.3	0.447 +0.04	316 -73.4	9.3 +1.3	97.8 -0.9	usable		+
Faital PRO 18FH500 v2016	30 -6.3	0.35 -0.05	374.8 -14.6	9.2 +1.2	98.4 -0.3	usable		+
Beyma 18G550 v2018	33 -3.3	0.396 -0.01	290 -99.4	9 +1	97.5 -1.2	usable		+

Compare the closest 3 against the S1846 vp1 →

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.