Sica 15 F 4 CP

15" · 8 Ω · 700 W · 99.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	46.4 Hz
Qts	0.27
Qes	0.28
Qms	7.73
Vas	97 L
Sd	855.3 cm²
Xmax	7 mm
Re	5.1 Ω
Bl	26 T·m
Mms	126 g
Pe	700 W
Sensitivity	99.4 dB

Alignment hint

EBP	166 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 16.6 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
BMS 15CN860	46 -0.4	0.276 +0.01	102 +5	6 -1	98.7 -0.7	close	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
Sica 15 K 4 PL	46.5 +0.1	0.3 +0.03	102.3 +5.3	8 +1	99.2 -0.2	close		+
Oberton 15MB701	44.24 -2.16	0.268 =	100.22 +3.22	9.25 +2.25	97.5 -1.9	close		+
B&C 14 NDL 88	45 -1.4	0.298 +0.03	102 +5	6.7 -0.3	98.8 -0.6	close	Xmax 6.7 mm < 7 mm: lower excursion-limited SPL	+
B&C 15NA100	47 +0.6	0.28 +0.01	88 -9	10 +3	98 -1.4	close		+
B&C 14 CXN 88	46 -0.4	0.265 -0.01	100 +3	5.2 -1.8	99.9 +0.5	close	500 W vs 700 W: lower power handling · Xmax 5.2 mm < 7 mm: lower excursion-limited SPL	+
Beyma 15P1000FEV2	42 -4.4	0.278 +0.01	100.2 +3.2	6.5 -0.5	97.9 -1.5	close	Xmax 6.5 mm < 7 mm: lower excursion-limited SPL	+
RCF MB 15N405	46 -0.4	0.265 -0.01	124 +27	6.6 -0.4	100 +0.6	close	Xmax 6.6 mm < 7 mm: lower excursion-limited SPL	+
Beyma 15MC700Nd	49 +2.6	0.31 +0.04	105 +8	7 =	100 +0.6	close		+
Oberton 15XL701	45.25 -1.15	0.28 +0.01	116.99 +19.99	8.75 +1.75	98 -1.4	close		+

Compare the closest 3 against the 15 F 4 CP →

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.