Sica 15 S 3 PL

15" · 8 Ω · 400 W · 97.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	33 Hz
Qts	0.38
Qes	0.39
Qms	14.1
Vas	230 L
Sd	855.3 cm²
Xmax	8 mm
Re	5.2 Ω
Bl	17.1 T·m
Mms	105 g
Pe	400 W
Sensitivity	97.2 dB

Alignment hint

EBP	85 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 93.4 L

EBP 50-100: works in either a sealed or ported 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 15 S 3 PL 8 Ohms	33 =	0.38 =	230 =	8 =	97.1 -0.1	close		+
Faital PRO 15FH500A	35 +2	0.394 +0.01	217.4 -12.6	9 +1	97.1 -0.1	close		+
Volt RV4504	33 =	0.349 -0.03	217 -13	9.2 +1.2	96.7 -0.5	close		+
Oxygen JET 18	32.9 -0.1	0.349 -0.03	217 -13	10 +2	96.7 -0.5	close		+
18 Sound 15W750	39 +6	0.37 -0.01	218 -12	8 =	97 -0.2	close		+
Beyma SM115/N 8 ohms	35 +2	0.382 =	267 +37	7.3 -0.7	97.5 +0.3	close	Xmax 7.3 mm < 8 mm: lower excursion-limited SPL	+
Beyma SM115/N v2015	35 +2	0.382 =	267 +37	7.3 -0.7	97.5 +0.3	close	Xmax 7.3 mm < 8 mm: lower excursion-limited SPL	+
Beyma 15LX60	35 +2	0.346 -0.03	215 -15	9 +1	97.7 +0.5	close		+
Fane SOVEREIGN 15-600LF	37 +4	0.388 +0.01	236 +6	6.9 -1.1	98.3 +1.1	close	Xmax 6.9 mm < 8 mm: lower excursion-limited SPL	+
Fane SOVEREIGN 15-600LF v2015	37 +4	0.388 +0.01	236 +6	6.9 -1.1	98.3 +1.1	close	Xmax 6.9 mm < 8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15 S 3 PL →

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.