EMS B15EX-07.5V

15" · 8 Ω · 100 W · 98.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	22 Hz
Qts	0.228
Qes	0.236
Qms	7.16
Vas	791 L
Sd	855 cm²
Xmax	7 mm
Re	6.54 Ω
Bl	16.1 T·m
Mms	67.8 g
Pe	100 W
Sensitivity	98.4 dB

Alignment hint

EBP	93 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 91.8 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	22 =	0.223 -0.01	791 =	7 =	98.5 +0.1	close		+
Focal AUDIOM 15A	21.5 -0.5	0.223 -0.01	832 +41	6 -1	98.8 +0.4	close	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
Supravox 400 GMF MK2	22 =	0.206 -0.02	633 -158	7 =	97.9 -0.5	close		+
Focal AUDIOM 15VX v2	18.4 -3.6	0.224 =	727 -64	6 -1	96.1 -2.3	usable	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
Supravox 400-2000 vp2	21.1 -0.9	0.261 +0.03	715 -76	5 -2	96.8 -1.6	usable	Xmax 5 mm < 7 mm: lower excursion-limited SPL	+
Supravox 400-2000 vp moy1 et 2	21.1 -0.9	0.273 +0.05	748 -43	5 -2	96.8 -1.6	usable	Xmax 5 mm < 7 mm: lower excursion-limited SPL	+
Supravox 400-2000 vp1	21 -1	0.283 +0.05	780 -11	5 -2	96.8 -1.6	usable	Xmax 5 mm < 7 mm: lower excursion-limited SPL	+
JBL 2215H	20 -2	0.212 -0.02	736.2 -54.8	4.1 -2.9	97.7 -0.7	usable	Xmax 4.1 mm < 7 mm: lower excursion-limited SPL	+
Fluxmag 1504B	22.5 +0.5	0.224 =	433.8 -357.2	7.3 +0.3	97 -1.4	usable		+
Usher Audio 1503HM	21 -1	0.222 -0.01	528.8 -262.2	5.5 -1.5	97.2 -1.2	usable	Xmax 5.5 mm < 7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the B15EX-07.5V →

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.