Fane SOVEREIGN 15-425

15" · 8 Ω · 425 W · 98.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	43 Hz
Qts	0.417
Qes	0.44
Qms	7.9
Vas	180.6 L
Sd	881.2 cm²
Xmax	4.6 mm
Re	5.8 Ω
Bl	17.1 T·m
Mms	82.6 g
Pe	425 W
Sensitivity	98.5 dB

Alignment hint

EBP	98 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 96.3 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
Peavey 1508-8 SPS BWX	41.9 -1.1	0.438 +0.02	185.9 +5.3	4.7 +0.1	98.6 +0.1	close		+
Beyma SM115	42 -1	0.405 -0.01	185 +4.4	6.7 +2.1	98.2 -0.3	close		+
B&C 15 CX 40	44 +1	0.43 +0.01	162 -18.6	4.5 -0.1	98.7 +0.2	close	Xmax 4.5 mm < 4.6 mm: lower excursion-limited SPL	+
SICA 15 BP 3 SL	41.9 -1.1	0.419 =	191.6 +11	4 -0.6	98.7 +0.2	close	Xmax 4 mm < 4.6 mm: lower excursion-limited SPL	+
SICA P-A-SL15B3P	41.9 -1.1	0.419 =	191.6 +11	4 -0.6	98.7 +0.2	close	Xmax 4 mm < 4.6 mm: lower excursion-limited SPL	+
18 Sound 15W750	40 -3	0.42 =	182 +1.4	8 +3.4	98 -0.5	close	16 Ω vs 8 Ω: amp load changes	+
P.Audio 15BM-500B	41 -2	0.374 -0.04	183.4 +2.8	4.8 +0.2	98.5 =	close		+
Selenium 15PW5	40 -3	0.4 -0.02	190 +9.4	5.7 +1.1	98.3 -0.2	close		+
Beyma 15CXA400Fe	40 -3	0.419 =	191 +10.4	6 +1.4	97.6 -0.9	close		+
Celestion TRUVOX 1525 E	44 +1	0.417 =	175 -5.6	3.5 -1.1	98.8 +0.3	close	300 W vs 425 W: lower power handling · Xmax 3.5 mm < 4.6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the SOVEREIGN 15-425 →

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.