Sica 12 PF 3

12" · 8 Ω · 500 W · 96.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	47 Hz
Qts	0.39
Qes	0.42
Qms	5.8
Vas	76.5 L
Sd	530.9 cm²
Xmax	5.5 mm
Re	5.6 Ω
Bl	15.38 T·m
Mms	60 g
Pe	500 W
Sensitivity	96.4 dB

Alignment hint

EBP	112 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 33.4 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
PHL Audio 4511	48 +1	0.406 +0.02	74.1 -2.4	5.4 -0.1	96.2 -0.2	close	300 W vs 500 W: lower power handling · Xmax 5.4 mm < 5.5 mm: lower excursion-limited SPL	+
PHL Audio 4531 v2023	46 -1	0.399 +0.01	71.9 -4.6	5.6 +0.1	95.9 -0.5	close	300 W vs 500 W: lower power handling	+
Faital PRO 12FH530	45 -2	0.39 =	75.6 -0.9	7.5 +2	97 +0.6	close	16 Ω vs 8 Ω: amp load changes	+
Fane SOVEREIGN 12-300 v2024	47 =	0.4 +0.01	80 +3.5	5 -0.5	96.3 -0.1	close	300 W vs 500 W: lower power handling · Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
Celestion FTX1225 v2024	47.3 +0.3	0.396 +0.01	84.6 +8.1	5.9 +0.4	96.8 +0.4	close	300 W vs 500 W: lower power handling	+
Jensen SMOOTH BS 12N/250A	47 =	0.425 +0.03	81.3 +4.8	5.5 =	96.4 =	close	250 W vs 500 W: lower power handling	+
Faital PRO 12FH500	48 +1	0.37 -0.02	77.4 +0.9	7.25 +1.75	96 -0.4	close	16 Ω vs 8 Ω: amp load changes	+
SICA PL 12 B 3 S	46.7 -0.3	0.356 -0.03	79.3 +2.8	5.5 =	97.1 +0.7	close	350 W vs 500 W: lower power handling	+
SB Audience BIANCO-12MW200	50 +3	0.389 =	68.7 -7.8	6 +0.5	97.2 +0.8	close		+
P.Audio SN-12LF	48 +1	0.399 +0.01	67.9 -8.6	7.2 +1.7	96 -0.4	close		+

Compare the closest 3 against the 12 PF 3 →

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.