Fane SOVEREIGN 12-300

12" · 8 Ω · 300 W · 98.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	50 Hz
Qts	0.389
Qes	0.41
Qms	7.48
Vas	103.6 L
Sd	525.9 cm²
Xmax	4.5 mm
Re	5.7 Ω
Bl	12.9 T·m
Mms	37.9 g
Pe	300 W
Sensitivity	98.4 dB

Alignment hint

EBP	122 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 45 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
Faital PRO 12PR300	50 =	0.36 -0.03	92.6 -11	4.92 +0.42	99 +0.6	close		+
MCM Electronics 55-2962	48 -2	0.391 =	94.5 -9.1	4.8 +0.3	96.3 -2.1	close	175 W vs 300 W: lower power handling	+
LaVoce WSF122.02	50 =	0.404 +0.02	88 -15.6	4.3 -0.2	97.7 -0.7	close	200 W vs 300 W: lower power handling · Xmax 4.3 mm < 4.5 mm: lower excursion-limited SPL	+
18 Sound 12W500	49 -1	0.35 -0.04	101 -2.6	4 -0.5	98.5 +0.1	close	4 Ω vs 8 Ω: amp load changes · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Fane SOVEREIGN 12-300 v2014	46 -4	0.35 -0.04	110 +6.4	4.5 =	98 -0.4	close		+
Beyma 12LW30	45 -5	0.404 +0.02	110 +6.4	5 +0.5	97 -1.4	close		+
Ciare PW321	52 +2	0.385 =	114 +10.4	3.5 -1	98.7 +0.3	close	150 W vs 300 W: lower power handling · Xmax 3.5 mm < 4.5 mm: lower excursion-limited SPL	+
Fane SOVEREIGN PRO 12-300	46 -4	0.35 -0.04	114 +10.4	4.5 =	98.1 -0.3	close		+
Beyma SM212 v2018	43 -7	0.381 -0.01	103 -0.6	7 +2.5	96.6 -1.8	close		+
Faital PRO 12PR330	50 =	0.4 +0.01	79.1 -24.5	7.37 +2.87	98 -0.4	close		+

Compare the closest 3 against the SOVEREIGN 12-300 →

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.