Focal AUDIOM 15B

15" · 8 Ω · 225 W · 98.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	31.6 Hz
Qts	0.282
Qes	0.29
Qms	10.26
Vas	330 L
Sd	855 cm²
Xmax	6 mm
Re	6 Ω
Bl	18 T·m
Mms	78.8 g
Pe	225 W
Sensitivity	98.8 dB

Alignment hint

EBP	109 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 62.4 L

EBP > 100: favours a ported (bass-reflex) 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
Beyma 15LW30	32 +0.4	0.28 =	325 -5	7 +1	98.8 =	close		+
Beyma 15XA38ND	33 +1.4	0.288 +0.01	359 +29	6 =	99 +0.2	close		+
Beyma SM-115	35 +3.4	0.282 =	331 +1	6.7 +0.7	99.7 +0.9	close		+
Focal AUDIOM 15H	34.9 +3.3	0.277 =	295.9 -34.1	5.8 -0.2	99.7 +0.9	close	Xmax 5.8 mm < 6 mm: lower excursion-limited SPL	+
Faital PRO 15PR400 v2014	32 +0.4	0.295 +0.01	267.2 -62.8	5.8 -0.2	98.4 -0.4	close	Xmax 5.8 mm < 6 mm: lower excursion-limited SPL	+
Eminence KAPPA 15 A	33 +1.4	0.318 +0.04	321.3 -8.7	5.5 -0.5	99.3 +0.5	close	Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
Usher Audio 15 HM	28.7 -2.9	0.299 +0.02	314.9 -15.1	5.5 -0.5	97.6 -1.2	close	150 W vs 225 W: lower power handling · Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
Benett 15.200 Z/N	32.9 +1.3	0.265 -0.02	344 +14	5 -1	100.1 +1.3	close	Xmax 5 mm < 6 mm: lower excursion-limited SPL	+
AE Speakers TD15M	34.7 +3.1	0.327 +0.05	312 -18	6 =	98.5 -0.3	close		+
AE Speakers TD15M 8 Ohms	34.7 +3.1	0.327 +0.05	312 -18	6 =	98.5 -0.3	close		+

Compare the closest 3 against the AUDIOM 15B →

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.