Ciare CW250C

10" · 4 Ω · 250 W · 93.3 dB

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	39 Hz
Qts	0.27
Qes	0.33
Qms	1.6
Vas	77 L
Sd	360 cm²
Xmax	5 mm
Re	3 Ω
Bl	9.5 T·m
Mms	39 g
Pe	250 W
Sensitivity	93.3 dB

Alignment hint

EBP	118 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 13.1 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
Eminence Kappa Pro-10LF	39 =	0.28 +0.01	72.97 -4.03	7.2 +2.2	91.6 -1.7	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPA PRO 10 LF	39 =	0.281 +0.01	73 -4	7.2 +2.2	95.4 +2.1	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KAPPALITE 3010 LF	38.7 -0.3	0.273 =	62.4 -14.6	8.5 +3.5	93.5 +0.2	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 10WRS300	41 +2	0.276 +0.01	66.5 -10.5	5.8 +0.8	95.1 +1.8	close	8 Ω vs 4 Ω: amp load changes	+
AE Speakers TD10X	35 -4	0.27 =	67.5 -9.5	7 +2	92.4 -0.9	close	8 Ω vs 4 Ω: amp load changes	+
SICA 10 H 2 CS 4 Ohms	30.6 -8.4	0.303 +0.03	75.8 -1.2	5.3 +0.3	94.4 +1.1	usable	150 W vs 250 W: lower power handling	+
David Eden EC1060XS16	42.6 +3.6	0.304 +0.03	93.4 +16.4	4.7 -0.3	94.3 +1	usable	16 Ω vs 4 Ω: amp load changes · 150 W vs 250 W: lower power handling · Xmax 4.7 mm < 5 mm: lower excursion-limited SPL	+
AE Speakers TD10M-8	40.1 +1.1	0.238 -0.03	59.2 -17.8	6 +1	94.5 +1.2	usable	8 Ω vs 4 Ω: amp load changes	+
Sica 10 SR 2.5 CP	34.5 -4.5	0.32 +0.05	66.7 -10.3	6 +1	93 -0.3	usable	8 Ω vs 4 Ω: amp load changes	+
SICA 10 SR 2.5 CP 8 Ohms v2017	34.5 -4.5	0.323 +0.05	66.7 -10.3	6 +1	92.9 -0.4	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the CW250C →

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.