Dayton Audio DCS380-4

15" · 4 Ω · 250 W · 92.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	22.9 Hz
Qts	0.504
Qes	0.59
Qms	3.46
Vas	233.9 L
Sd	819.4 cm²
Xmax	8.4 mm
Re	3.1 Ω
Bl	12.1 T·m
Mms	194.4 g
Pe	250 W
Sensitivity	92.9 dB

Alignment hint

EBP	39 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 241.5 L

EBP < 50: favours a sealed (closed) 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
Hertz Audio ES380	24 +1.1	0.52 +0.02	220 -13.9	9 +0.6	93.7 +0.8	close		+
Oxygen AIR2 380	22.7 -0.2	0.543 +0.04	202.2 -31.7	11.5 +3.1	91.6 -1.3	close		+
Dayton Audio DVC385-88	20.9 -2	0.446 -0.06	237 +3.1	11.1 +2.7	93.8 +0.9	close		+
Blaupunkt VELOCITY VRS15	21 -1.9	0.499 -0.01	291 +57.1	7.5 -0.9	93.1 +0.2	close	Xmax 7.5 mm < 8.4 mm: lower excursion-limited SPL	+
Rockville RVW1500P8	28.3 +5.4	0.503 =	254 +20.1	7.5 -0.9	92.7 -0.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 7.5 mm < 8.4 mm: lower excursion-limited SPL	+
MTX Audio RT15-04	20 -2.9	0.479 -0.03	223 -10.9	10.3 +1.9	90.8 -2.1	close		+
Dayton Audio DCS380-4 v2017	21.5 -1.4	0.434 -0.07	267 +33.1	8.4 =	93.7 +0.8	close		+
Oxygen AIR 15.1	25 +2.1	0.465 -0.04	262.1 +28.2	11.1 +2.7	94.5 +1.6	close		+
Dayton Audio UM15-22 ULTIMAX DVC	19.5 -3.4	0.474 -0.03	224.3 -9.6	9.5 +1.1	90.2 -2.7	close		+
MTX Audio T3154	22.7 -0.2	0.561 +0.06	315.9 +82	9.4 +1	93.8 +0.9	usable		+

Compare the closest 3 against the DCS380-4 →

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.