Hertz Audio ES380

15" · 4 Ω · 450 W · 93.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	24 Hz
Qts	0.52
Qes	0.55
Qms	11
Vas	220 L
Sd	847 cm²
Xmax	9 mm
Re	3.1 Ω
Bl	13.2 T·m
Mms	204 g
Pe	450 W
Sensitivity	93.7 dB

Alignment hint

EBP	44 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 259.1 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 DCS380-4	22.9 -1.1	0.504 -0.02	233.9 +13.9	8.4 -0.6	92.9 -0.8	close	250 W vs 450 W: lower power handling · Xmax 8.4 mm < 9 mm: lower excursion-limited SPL	+
Oxygen AIR2 380	22.7 -1.3	0.543 +0.02	202.2 -17.8	11.5 +2.5	91.6 -2.1	close		+
Oxygen AIR 15.1	25 +1	0.465 -0.05	262.1 +42.1	11.1 +2.1	94.5 +0.8	close		+
Hertz Audio ES380.1	24.2 +0.2	0.52 =	183 -37	9 =	88.2 -5.5	close		+
Dayton Audio DVC385-88	20.9 -3.1	0.446 -0.07	237 +17	11.1 +2.1	93.8 +0.1	usable	350 W vs 450 W: lower power handling	+
SB Audience BIANCO-15OB350 v2022	32 +8	0.493 -0.03	239.4 +19.4	9.2 +0.2	94.2 +0.5	usable	8 Ω vs 4 Ω: amp load changes · 350 W vs 450 W: lower power handling	+
MTX Audio RT15-04	20 -4	0.479 -0.04	223 +3	10.3 +1.3	90.8 -2.9	usable	300 W vs 450 W: lower power handling	+
MTX Audio T3154	22.7 -1.3	0.561 +0.04	315.9 +95.9	9.4 +0.4	93.8 +0.1	usable	200 W vs 450 W: lower power handling	+
MTX Audio T6154	27.3 +3.3	0.538 +0.02	159.7 -60.3	9.2 +0.2	93.2 -0.5	usable		+
Rockville RVW1500P8	28.3 +4.3	0.503 -0.02	254 +34	7.5 -1.5	92.7 -1	usable	8 Ω vs 4 Ω: amp load changes · Xmax 7.5 mm < 9 mm: lower excursion-limited SPL	+

Compare the closest 3 against the ES380 →

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.