Siare 31C

12" · 8 Ω · 120 W · 92.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	23.3 Hz
Qts	0.358
Qes	0.431
Qms	2.125
Vas	356.7 L
Sd	530.9 cm²
Xmax	4 mm
Re	7.2 Ω
Bl	11.2 T·m
Mms	51.7 g
Pe	120 W
Sensitivity	92.6 dB

Alignment hint

EBP	54 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 122.9 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
Artech ART33.2	23 -0.3	0.335 -0.02	340 -16.7	7 +3	92.7 +0.1	close		+
Visaton W300S8	23 -0.3	0.335 -0.02	340 -16.7	7 +3	92.7 +0.1	close		+
SEAS 33F-WK MH	21.6 -1.7	0.383 +0.03	327.7 -29	5 +1	92.1 -0.5	close	80 W vs 120 W: lower power handling	+
Visaton WS300	22 -1.3	0.321 -0.04	340 -16.7	8 +4	92.5 -0.1	close		+
Celestion T1600 vp 1	23.6 +0.3	0.463 +0.11	350 -6.7	4 =	92.2 -0.4	close	80 W vs 120 W: lower power handling	+
Wharfedale 3014	20.7 -2.6	0.342 -0.02	319.1 -37.6	8 +4	92.2 -0.4	close		+
Davis 31ST12M v2009	22 -1.3	0.39 +0.03	398 +41.3	9 +5	91.8 -0.8	close		+
Klipsch K24K	24 +0.7	0.323 -0.03	281 -75.7	4 =	94.3 +1.7	usable	80 W vs 120 W: lower power handling	+
Philips AD12200/W8	24 +0.7	0.303 -0.05	287.4 -69.3	5 +1	93.6 +1	usable	80 W vs 120 W: lower power handling	+
Cabasse 30BZ24 vp oriu1	30.3 +7	0.394 +0.04	363 +6.3	4 =	94.6 +2	usable	16 Ω vs 8 Ω: amp load changes · 80 W vs 120 W: lower power handling	+

Compare the closest 3 against the 31C →

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.