Fane SOVEREIGN PRO 12-350N

12" · 8 Ω · 350 W · 98.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	46 Hz
Qts	0.328
Qes	0.35
Qms	5.2
Vas	114 L
Sd	540 cm²
Xmax	4.5 mm
Re	5.75 Ω
Bl	14.3 T·m
Mms	42.9 g
Pe	350 W
Sensitivity	98.4 dB

Alignment hint

EBP	131 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 31.3 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
Fane SOVEREIGN PRO 12-300	46 =	0.35 +0.02	114 =	4.5 =	98.1 -0.3	close		+
Fane SOVEREIGN 12-300 v2014	46 =	0.35 +0.02	110 -4	4.5 =	98 -0.4	close		+
Monacor SP-12/200PA	45 -1	0.328 =	114 =	4 -0.5	97.4 -1	close	200 W vs 350 W: lower power handling · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Fane SOVEREIGN PRO 12-500	43 -3	0.314 -0.01	107 -7	6 +1.5	97.4 -1	close		+
18 Sound 12W501	46 =	0.369 +0.04	123 +9	4 -0.5	98.7 +0.3	close	Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
DAS Audio P-12	42 -4	0.329 =	105 -9	6 +1.5	96.5 -1.9	close		+
18 Sound 12W500	46 =	0.36 +0.03	123 +9	4 -0.5	99.5 +1.1	close	Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Beyma 12MW/ND	43 -3	0.328 =	100 -14	6.5 +2	96.9 -1.5	close		+
PHL Audio 4550	45 -1	0.289 -0.04	106 -8	4 -0.5	98.3 -0.1	close	250 W vs 350 W: lower power handling · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
PHL Audio 4510	42 -4	0.307 -0.02	108 -6	6 +1.5	97.3 -1.1	close		+

Compare the closest 3 against the SOVEREIGN PRO 12-350N →

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.