Dayton Audio DCS380-4 v2017

15" · 4 Ω · 250 W · 93.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	21.5 Hz
Qts	0.434
Qes	0.49
Qms	3.79
Vas	267 L
Sd	819.4 cm²
Xmax	8.4 mm
Re	2.9 Ω
Bl	12.4 T·m
Mms	193.2 g
Pe	250 W
Sensitivity	93.7 dB

Alignment hint

EBP	44 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 161.4 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
Dayton Audio DVC385-88	20.9 -0.6	0.446 +0.01	237 -30	11.1 +2.7	93.8 +0.1	close		+
Oxygen AIR 15.1	25 +3.5	0.465 +0.03	262.1 -4.9	11.1 +2.7	94.5 +0.8	close		+
Blaupunkt VELOCITY VRS15	21 -0.5	0.499 +0.07	291 +24	7.5 -0.9	93.1 -0.6	close	Xmax 7.5 mm < 8.4 mm: lower excursion-limited SPL	+
Dayton Audio DCS380-4	22.9 +1.4	0.504 +0.07	233.9 -33.1	8.4 =	92.9 -0.8	close		+
AE Speakers SBP15-8	21.3 -0.2	0.432 =	364 +97	14 +5.6	92.3 -1.4	close	8 Ω vs 4 Ω: amp load changes	+
SB Acoustics SB42FHC75-6	22.5 +1	0.372 -0.06	318 +51	10.1 +1.7	94 +0.3	close	8 Ω vs 4 Ω: amp load changes	+
AE Speakers SBP15-4	21.3 -0.2	0.432 =	364 +97	14 +5.6	95.4 +1.7	usable		+
Dayton Audio RSS390HF-4	18 -3.5	0.423 -0.01	281.8 +14.8	14 +5.6	91.1 -2.6	usable		+
Oxygen ALIUM 380 vp	22.2 +0.7	0.393 -0.04	223.9 -43.1	6.8 -1.6	93 -0.7	usable	Xmax 6.8 mm < 8.4 mm: lower excursion-limited SPL	+
JBL GT3-15	28.2 +6.7	0.439 +0.01	266.2 -0.8	9 +0.6	97.1 +3.4	usable		+

Compare the closest 3 against the DCS380-4 v2017 →

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.