Ciare M320.50 CS/FX-W

12" · 4 Ω · 100 W · 94.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	26.8 Hz
Qts	0.374
Qes	0.39
Qms	8.9
Vas	137.6 L
Sd	530.9 cm²
Xmax	4.5 mm
Re	3.17 Ω
Bl	11.8 T·m
Mms	101.3 g
Pe	100 W
Sensitivity	94.3 dB

Alignment hint

EBP	69 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 53.4 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
Dayton Audio SD315-88	26.9 +0.1	0.342 -0.03	122.8 -14.8	5.5 +1	94.2 -0.1	close		+
JBL CS12	24.7 -2.1	0.388 +0.01	144 +6.4	6 +1.5	92.7 -1.6	close		+
HiVi F12 v2009	26 -0.8	0.367 -0.01	145.6 +8	6 +1.5	91.1 -3.2	close	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio QU4TRO 12"	27 +0.2	0.357 -0.02	120.1 -17.5	8.7 +4.2	93.6 -0.7	close		+
Aura Sound NS12-513-4A	23 -3.8	0.374 =	127 -10.6	5 +0.5	92.4 -1.9	close		+
Oxygen IN12 300	27 +0.2	0.362 -0.01	114.8 -22.8	8.7 +4.2	93.2 -1.1	close		+
JBL 335151-001	28.2 +1.4	0.355 -0.02	177.3 +39.7	5 +0.5	93.8 -0.5	close	8 Ω vs 4 Ω: amp load changes	+
JBL LE14A	28 +1.2	0.323 -0.05	147.3 +9.7	5.1 +0.6	92.8 -1.5	close	8 Ω vs 4 Ω: amp load changes	+
Eton 12-680-62 HEX	26 -0.8	0.343 -0.03	150 +12.4	6 +1.5	91.6 -2.7	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 12BR70	35 +8.2	0.355 -0.02	135 -2.6	4.8 +0.3	94.7 +0.4	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the M320.50 CS/FX-W →

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.