Focal 15VX

15" · 8 Ω · 225 W · 95.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	24 Hz
Qts	0.286
Qes	0.32
Qms	2.65
Vas	380 L
Sd	830 cm²
Xmax	6 mm
Re	6.1 Ω
Bl	17.9 T·m
Mms	111.8 g
Pe	225 W
Sensitivity	95.3 dB

Alignment hint

EBP	75 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 74.3 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
Rockford Fosgate PWR-415	24 =	0.283 =	334 -46	6.2 +0.2	97.4 +2.1	close	4 Ω vs 8 Ω: amp load changes	+
Audiotechnology 15F1022510KAP	22 -2	0.288 =	410 +30	8.5 +2.5	94.9 -0.4	close		+
Altec 3154	25 +1	0.322 +0.04	393.6 +13.6	6.4 +0.4	95 -0.3	close		+
Great Plains Audio 3154 GPA	25 +1	0.322 +0.04	393.6 +13.6	6.4 +0.4	95 -0.3	close		+
Peerless SLS15	24.1 +0.1	0.268 -0.02	321.5 -58.5	6.4 +0.4	94.8 -0.5	close		+
Monacor SPH-390TC vp1	22.7 -1.3	0.276 -0.01	351 -29	6.4 +0.4	97.3 +2	close	4 Ω vs 8 Ω: amp load changes · 150 W vs 225 W: lower power handling	+
AE Speakers TD15X 8 Ohms	23.2 -0.8	0.287 =	467 +87	7 +1	96.3 +1	close		+
Davis 39GCA15	23.6 -0.4	0.33 +0.04	402 +22	7.5 +1.5	95.6 +0.3	close		+
Usher Audio 15HM Studio	27 +3	0.28 -0.01	385 +5	5.9 -0.1	98 +2.7	close	150 W vs 225 W: lower power handling · Xmax 5.9 mm < 6 mm: lower excursion-limited SPL	+
Focal 38VX	22.3 -1.7	0.279 -0.01	347 -33	8.2 +2.2	96.9 +1.6	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 15VX →

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.