Fane SOVEREIGN 12-300 v2024

12" · 8 Ω · 300 W · 96.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	47 Hz
Qts	0.4
Qes	0.425
Qms	6.78
Vas	80 L
Sd	547 cm²
Xmax	5 mm
Re	5.75 Ω
Bl	15.5 T·m
Mms	60.1 g
Pe	300 W
Sensitivity	96.3 dB

Alignment hint

EBP	111 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 37.6 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
Sica 12 PF 3	47 =	0.39 -0.01	76.5 -3.5	5.5 +0.5	96.4 +0.1	close		+
SICA 12 BP 2.5 CS	46.8 -0.2	0.425 +0.02	81.3 +1.3	5 =	96.4 +0.1	close	200 W vs 300 W: lower power handling	+
SICA 12 BS 2.5 PL	46.8 -0.2	0.425 +0.02	81.3 +1.3	5 =	96.4 +0.1	close		+
SICA PL 12 B 2.5 S	46.8 -0.2	0.425 +0.02	81.3 +1.3	5 =	96.4 +0.1	close		+
Jensen SMOOTH BS 12N/250A	47 =	0.425 +0.02	81.3 +1.3	5.5 +0.5	96.4 +0.1	close		+
Celestion FTX1225 v2024	47.3 +0.3	0.396 =	84.6 +4.6	5.9 +0.9	96.8 +0.5	close		+
PHL Audio 4511	48 +1	0.406 +0.01	74.1 -5.9	5.4 +0.4	96.2 -0.1	close		+
PHL Audio 4531 v2023	46 -1	0.399 =	71.9 -8.1	5.6 +0.6	95.9 -0.4	close		+
Faital PRO 12PR300	50 +3	0.41 +0.01	73.9 -6.1	4.92 -0.08	97 +0.7	close	4 Ω vs 8 Ω: amp load changes · Xmax 4.92 mm < 5 mm: lower excursion-limited SPL	+
Faital PRO 12FE300	47 =	0.44 +0.04	81.4 +1.4	5.47 +0.47	95 -1.3	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the SOVEREIGN 12-300 v2024 →

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.