Sica 15 K 3 PL

15" · 8 Ω · 400 W · 99.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	40 Hz
Qts	0.27
Qes	0.28
Qms	8.31
Vas	166.1 L
Sd	855.3 cm²
Xmax	6.5 mm
Re	5.2 Ω
Bl	21.4 T·m
Mms	99 g
Pe	400 W
Sensitivity	99.7 dB

Alignment hint

EBP	143 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 28.4 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
SICA 15 K3 PL-8	40 =	0.27 =	166.1 =	6.5 =	97.6 -2.1	close		+
18 Sound 15NLW9300 v2015	39 -1	0.263 -0.01	170 +3.9	7.2 +0.7	98.9 -0.8	close		+
B&C 15 PS 76	38 -2	0.266 =	164 -2.1	6.3 -0.2	98.9 -0.8	close	Xmax 6.3 mm < 6.5 mm: lower excursion-limited SPL	+
Precision Devices PD152	40 =	0.269 =	170 +3.9	5.5 -1	99 -0.7	close	16 Ω vs 8 Ω: amp load changes · Xmax 5.5 mm < 6.5 mm: lower excursion-limited SPL	+
B&C 15PS76-8	38 -2	0.26 -0.01	164 -2.1	7.5 +1	99 -0.7	close		+
18 Sound 15ND940	39 -1	0.26 -0.01	170 +3.9	9.5 +3	99 -0.7	close	4 Ω vs 8 Ω: amp load changes	+
BMS 15N830V2 v2015	37 -3	0.271 =	159 -7.1	7.5 +1	98.6 -1.1	close		+
B&C 15NDL88	41 +1	0.28 +0.01	154 -12.1	8 +1.5	99 -0.7	close	4 Ω vs 8 Ω: amp load changes	+
Fane COLOSSUS 15XBN	38 -2	0.279 +0.01	168 +1.9	7.5 +1	98.1 -1.6	close		+
SB Audience ROSSO-15W400	40 =	0.282 +0.01	170.1 +4	5.3 -1.2	99.6 -0.1	close	Xmax 5.3 mm < 6.5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15 K 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.