Dayton Audio RSS460HO-4 v2015

18" · 4 Ω · 900 W · 93.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	18.8 Hz
Qts	0.322
Qes	0.35
Qms	4.05
Vas	272 L
Sd	1164 cm²
Xmax	11.9 mm
Re	3.2 Ω
Bl	23.2 T·m
Mms	500.4 g
Pe	900 W
Sensitivity	93.1 dB

Alignment hint

EBP	54 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 71.2 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
TC Sounds LMS-ULTRA 5400	20.5 +1.7	0.325 =	240.7 -31.3	16 +4.1	93.1 =	close		+
Mach 5 Audio UXL-18	18.6 -0.2	0.282 -0.04	285.5 +13.5	10 -1.9	94 +0.9	close	600 W vs 900 W: lower power handling · Xmax 10 mm < 11.9 mm: lower excursion-limited SPL	+
Dayton Audio RSS460HO-4	19.6 +0.8	0.387 +0.07	298 +26	12.8 +0.9	92.9 -0.2	close		+
CSS Audio Maelstrom 18 DVC by Exodus Audio	17.4 -1.4	0.376 +0.05	313 +41	14.7 +2.8	91.2 -1.9	usable		+
Stereo Integrity HST-18 MKII	15.6 -3.2	0.327 +0.01	307 +35	19 +7.1	90.4 -2.7	usable		+
BMS 18N860	24 +5.2	0.372 +0.05	304 +32	15 +3.1	93.7 +0.6	usable	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio SS18-22	21 +2.2	0.374 +0.05	224 -48	12.8 +0.9	90.6 -2.5	usable	8 Ω vs 4 Ω: amp load changes	+
BMS 18S450	29 +10.2	0.31 -0.01	281 +9	12 +0.1	95 +1.9	usable	8 Ω vs 4 Ω: amp load changes	+
Stereo Integrity HST-18 Dual 2 Ohms	16.4 -2.4	0.388 +0.07	267 -5	19 +7.1	89.7 -3.4	usable		+
Lavoce SAF184.03	30 +11.2	0.32 =	260 -12	13 +1.1	94.9 +1.8	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the RSS460HO-4 v2015 →

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.