Ciare CMI 250 ND

10" · 4 Ω · 220 W · 97.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	59 Hz
Qts	0.496
Qes	0.52
Qms	10.8
Vas	34 L
Sd	356 cm²
Xmax	4.5 mm
Re	3 Ω
Bl	9 T·m
Mms	38 g
Pe	220 W
Sensitivity	97.5 dB

Alignment hint

EBP	113 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 32.9 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
Faital PRO 10FE400	60 +1	0.47 -0.03	35.3 +1.3	5.42 +0.92	96 -1.5	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 10PR300	65 +6	0.48 -0.02	30.6 -3.4	4.92 +0.42	97 -0.5	close	16 Ω vs 4 Ω: amp load changes	+
LaVoce WSF102.00	65 +6	0.45 -0.05	34.03 +0.03	5.2 +0.7	97 -0.5	close	8 Ω vs 4 Ω: amp load changes · 175 W vs 220 W: lower power handling	+
Radian CRS1030	65 +6	0.472 -0.02	35.3 +1.3	5.5 +1	96.2 -1.3	close	8 Ω vs 4 Ω: amp load changes	+
Monacor SPA-110PA	61 +2	0.469 -0.03	38 +4	4 -0.5	96.3 -1.2	close	8 Ω vs 4 Ω: amp load changes · 150 W vs 220 W: lower power handling · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Faital PRO 10PR310	65 +6	0.47 -0.03	29 -5	4.92 +0.42	97 -0.5	close	16 Ω vs 4 Ω: amp load changes	+
Celestion K10-200E	67 +8	0.471 -0.03	37 +3	4 -0.5	97.3 -0.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Jensen BS10N/250	58 -1	0.438 -0.06	30.9 -3.1	4.8 +0.3	95 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
Jensen BS10N/250A	58 -1	0.438 -0.06	30.9 -3.1	4.8 +0.3	95 -2.5	close	8 Ω vs 4 Ω: amp load changes	+
LaVoce FBASS10-18	65 +6	0.43 -0.07	32.4 -1.6	4.5 =	96 -1.5	close	8 Ω vs 4 Ω: amp load changes · 150 W vs 220 W: lower power handling	+

Compare the closest 3 against the CMI 250 ND →

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.