Dayton Audio DCS385-4

15" · 4 Ω · 300 W · 91.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	17.5 Hz
Qts	0.389
Qes	0.42
Qms	5.27
Vas	311 L
Sd	850 cm²
Xmax	9.3 mm
Re	3.3 Ω
Bl	15.3 T·m
Mms	269.4 g
Pe	300 W
Sensitivity	91.8 dB

Alignment hint

EBP	42 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 135 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
Adire Audio TEMPEST DVC 4 Ohms config	18.8 +1.3	0.377 -0.01	317 +6	8.2 -1.1	92.8 +1	close	Xmax 8.2 mm < 9.3 mm: lower excursion-limited SPL	+
Dayton Audio RSS390HF-4	18 +0.5	0.423 +0.03	281.8 -29.2	14 +4.7	91.1 -0.7	close		+
Next Audio AL 38	16 -1.5	0.369 -0.02	347.7 +36.7	7.5 -1.8	91.2 -0.6	close	200 W vs 300 W: lower power handling · Xmax 7.5 mm < 9.3 mm: lower excursion-limited SPL	+
Dayton Audio TS400D-4 TITANIC MK 4	17.1 -0.4	0.367 -0.02	261 -50	18.8 +9.5	90.3 -1.5	close		+
SB Acoustics SB42FHC75-6	22.5 +5	0.372 -0.02	318 +7	10.1 +0.8	94 +2.2	usable	8 Ω vs 4 Ω: amp load changes	+
TC Sounds TC2000 vp	18 +0.5	0.323 -0.07	267 -44	14 +4.7	92.5 +0.7	usable		+
Dayton Audio ST385-8	18.8 +1.3	0.317 -0.07	301 -10	7.9 -1.4	91.2 -0.6	usable	8 Ω vs 4 Ω: amp load changes · Xmax 7.9 mm < 9.3 mm: lower excursion-limited SPL	+
Rythmik Audio DS1501	17.5 =	0.315 -0.07	295 -16	7.5 -1.8	92.9 +1.1	usable	Xmax 7.5 mm < 9.3 mm: lower excursion-limited SPL	+
Visaton TIW400	23 +5.5	0.348 -0.04	300 -11	10.6 +1.3	93.3 +1.5	usable	8 Ω vs 4 Ω: amp load changes	+
AE Speakers SBP15-8	21.3 +3.8	0.432 +0.04	364 +53	14 +4.7	92.3 +0.5	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the DCS385-4 →

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.