Eminence DELTA 15 A

15" · 8 Ω · 400 W · 97.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	40 Hz
Qts	0.532
Qes	0.57
Qms	8.05
Vas	270.7 L
Sd	864.6 cm²
Xmax	1.6 mm
Re	6.3 Ω
Bl	13 T·m
Mms	61.3 g
Pe	400 W
Sensitivity	97.8 dB

Alignment hint

EBP	70 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 353.1 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
Eminence DELTA 15	40 =	0.499 -0.03	263 -7.7	1.6 =	97.6 -0.2	close		+
Eminence DELTA-15A	40 =	0.53 =	270.7 =	2.7 +1.1	100 +2.2	close		+
Altec 420-8B vp rouge	34.9 -5.1	0.53 =	277.6 +6.9	2.3 +0.7	97.1 -0.7	close	25 W vs 400 W: lower power handling	+
Eminence ME15-2008	40.3 +0.3	0.49 -0.04	293.1 +22.4	2.7 +1.1	98.1 +0.3	close	100 W vs 400 W: lower power handling	+
LaVoce FBASS15-20	40 =	0.53 =	234.41 -36.29	4.3 +2.7	98 +0.2	close	200 W vs 400 W: lower power handling	+
P.Audio E15-150S	42.9 +2.9	0.528 =	245.7 -25	2.5 +0.9	99.3 +1.5	close	150 W vs 400 W: lower power handling	+
Ardan PRO W-38 vp2	39.5 -0.5	0.51 -0.02	254.7 -16	4.5 +2.9	97 -0.8	close	200 W vs 400 W: lower power handling	+
Supravox 380-2000 LC	38.7 -1.3	0.568 +0.04	272.2 +1.5	5 +3.4	97.3 -0.5	close	120 W vs 400 W: lower power handling	+
Eminence DELTALITE 2515	41 +1	0.517 -0.02	284.1 +13.4	4.8 +3.2	99 +1.2	close	300 W vs 400 W: lower power handling	+
Celestion TRUVOX 1525	40 =	0.452 -0.08	247 -23.7	2.5 +0.9	98.8 +1	close	250 W vs 400 W: lower power handling	+

Compare the closest 3 against the DELTA 15 A →

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.