SICA PL 12 B 3 S

12" · 8 Ω · 350 W · 97.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	46.7 Hz
Qts	0.356
Qes	0.38
Qms	5.57
Vas	79.3 L
Sd	530.9 cm²
Xmax	5.5 mm
Re	5.27 Ω
Bl	15.3 T·m
Mms	57.9 g
Pe	350 W
Sensitivity	97.1 dB

Alignment hint

EBP	123 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 26.9 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
B&C 12 FCX 76	47 +0.3	0.339 -0.02	82 +2.7	5 -0.5	97.6 +0.5	close	Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
Sica 12 PF 3	47 +0.3	0.39 +0.03	76.5 -2.8	5.5 =	96.4 -0.7	close		+
Faital PRO 12PR300 v2015	50 +3.3	0.357 =	79.2 -0.1	4.9 -0.6	98 +0.9	close	Xmax 4.9 mm < 5.5 mm: lower excursion-limited SPL	+
Faital PRO 12FH500	48 +1.3	0.37 +0.01	77.4 -1.9	7.25 +1.75	96 -1.1	close	16 Ω vs 8 Ω: amp load changes	+
Eminence DELTA PRO 12 A	51 +4.3	0.353 =	81.7 +2.4	6.2 +0.7	98.1 +1	close		+
Eminence DELTA PRO 12 A vp	51 +4.3	0.353 =	81.7 +2.4	6.2 +0.7	98.1 +1	close		+
B&C 12 PS 32	44 -2.7	0.348 -0.01	82 +2.7	6 +0.5	95.8 -1.3	close		+
JBL 2204H	45 -1.7	0.35 -0.01	87.8 +8.5	5.6 +0.1	95.7 -1.4	close		+
Celestion FTX1225 v2024	47.3 +0.6	0.396 +0.04	84.6 +5.3	5.9 +0.4	96.8 -0.3	close		+
Monacor SP-12A/302PA	50 +3.3	0.335 -0.02	77 -2.3	5 -0.5	97.3 +0.2	close	Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the PL 12 B 3 S →

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.