Fane SOVEREIGN 15-250

15" · 8 Ω · 250 W · 94.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	43 Hz
Qts	0.728
Qes	0.81
Qms	7.18
Vas	144 L
Sd	856 cm²
Xmax	4.4 mm
Re	6.2 Ω
Bl	14.2 T·m
Mms	97.7 g
Pe	250 W
Sensitivity	94.6 dB

Alignment hint

EBP	53 · flexible
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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
SB Audience BIANCO-15OB350	41 -2	0.697 -0.03	134.8 -9.2	6.5 +2.1	93.4 -1.2	close		+
Zeuz 15400X	38.1 -4.9	0.662 -0.07	149.6 +5.6	5.1 +0.7	94.2 -0.4	close	150 W vs 250 W: lower power handling	+
P.Audio IMF-HP15W MKII	43 =	0.68 -0.05	139.37 -4.63	3.5 -0.9	92.8 -1.8	close	Xmax 3.5 mm < 4.4 mm: lower excursion-limited SPL	+
Selenium 15B1	40 -3	0.752 +0.02	146 +2	3 -1.4	93.8 -0.8	close	Xmax 3 mm < 4.4 mm: lower excursion-limited SPL	+
Selenium 38GPT12	42.2 -0.8	0.657 -0.07	185.7 +41.7	5 +0.6	95.8 +1.2	usable		+
SB Audience BIANCO-15MW200	44 +1	0.586 -0.14	153 +9	5.2 +0.8	96 +1.4	usable		+
Selenium 15PW7	43 =	0.66 -0.07	152 +8	3 -1.4	93.6 -1	usable	Xmax 3 mm < 4.4 mm: lower excursion-limited SPL	+
Celestion BN15-400X	44.9 +1.9	0.59 -0.14	146.5 +2.5	4 -0.4	96.4 +1.8	usable	Xmax 4 mm < 4.4 mm: lower excursion-limited SPL	+
P.Audio BM-15LF	47 +4	0.668 -0.06	123.4 -20.6	7.1 +2.7	96.5 +1.9	usable		+
Faital PRO 15FH520	42 -1	0.62 -0.11	134.2 -9.8	9 +4.6	97 +2.4	usable	16 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the SOVEREIGN 15-250 →

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.