EMS B15EX

15" · 8 Ω · 100 W · 98.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	22 Hz
Qts	0.223
Qes	0.23
Qms	7.16
Vas	791 L
Sd	855 cm²
Xmax	7 mm
Re	6.5 Ω
Bl	16.3 T·m
Mms	67.8 g
Pe	100 W
Sensitivity	98.5 dB

Alignment hint

EBP	96 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 87.4 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
EMS B15EX-07.5V	22 =	0.228 +0.01	791 =	7 =	98.4 -0.1	close		+
Focal AUDIOM 15A	21.5 -0.5	0.223 =	832 +41	6 -1	98.8 +0.3	close	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
Supravox 400 GMF MK2	22 =	0.206 -0.02	633 -158	7 =	97.9 -0.6	close		+
Focal AUDIOM 15VX v2	18.4 -3.6	0.224 =	727 -64	6 -1	96.1 -2.4	usable	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
Altec 416-8C v2009	22.9 +0.9	0.213 -0.01	693.8 -97.2	3.8 -3.2	98.6 +0.1	usable	Xmax 3.8 mm < 7 mm: lower excursion-limited SPL	+
Great Plains Audio 416-8C GPA	22.9 +0.9	0.213 -0.01	693.8 -97.2	3.8 -3.2	98.6 +0.1	usable	Xmax 3.8 mm < 7 mm: lower excursion-limited SPL	+
JBL 2215H	20 -2	0.212 -0.01	736.2 -54.8	4.1 -2.9	97.7 -0.8	usable	Xmax 4.1 mm < 7 mm: lower excursion-limited SPL	+
Usher Audio 1503HM	21 -1	0.222 =	528.8 -262.2	5.5 -1.5	97.2 -1.3	usable	Xmax 5.5 mm < 7 mm: lower excursion-limited SPL	+
Fluxmag 1504B	22.5 +0.5	0.224 =	433.8 -357.2	7.3 +0.3	97 -1.5	usable		+
Audax HD35S66	18 -4	0.217 -0.01	735 -56	5 -2	96.4 -2.1	usable	Xmax 5 mm < 7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the B15EX →

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.