Dayton Audio RSS315HO-4 v2020

12" · 4 Ω · 700 W · 90.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	26.2 Hz
Qts	0.303
Qes	0.33
Qms	3.63
Vas	54 L
Sd	515 cm²
Xmax	8.6 mm
Re	3.2 Ω
Bl	20.1 T·m
Mms	254.1 g
Pe	700 W
Sensitivity	90.6 dB

Alignment hint

EBP	79 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 12.1 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
Dayton Audio RSS315HO-4 v2017	26.2 =	0.303 =	53.7 -0.3	8.6 =	90.6 =	close		+
Celestion FTR12-4080DL	28.9 +2.7	0.303 =	68.6 +14.6	8.7 +0.1	89.9 -0.7	close	8 Ω vs 4 Ω: amp load changes	+
B&C 12FG100	34 +7.8	0.32 +0.02	53 -1	10.3 +1.7	91 +0.4	close		+
Dayton Audio SS12-22	27 +0.8	0.351 +0.05	49.4 -4.6	9.6 +1	88.1 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
Tang Band W8Q-1071F	27 +0.8	0.334 +0.03	70.4 +16.4	9.7 +1.1	91.8 +1.2	usable	500 W vs 700 W: lower power handling	+
Ground Zero GZRW 12XS-AL	30 +3.8	0.395 +0.09	52 -2	8.9 +0.3	90.4 -0.2	usable		+
BMS 12S330 v2018	28.6 +2.4	0.295 -0.01	81.4 +27.4	8 -0.6	91.1 +0.5	usable	8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 8.6 mm: lower excursion-limited SPL	+
B&C 12 FG 100 4 Ohms	34 +7.8	0.32 +0.02	53 -1	9.2 +0.6	94.3 +3.7	usable		+
Max Speaker MF300/77S4	26.4 +0.2	0.383 +0.08	53.1 -0.9	6.7 -1.9	89 -1.6	usable	300 W vs 700 W: lower power handling · Xmax 6.7 mm < 8.6 mm: lower excursion-limited SPL	+
Resonant Engineering XXX 12D1 vp	27 +0.8	0.401 +0.1	56.5 +2.5	12.9 +4.3	92 +1.4	usable		+

Compare the closest 3 against the RSS315HO-4 v2020 →

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.