Siare 31TE-2B

12" · 8 Ω · 120 W · 95.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	20.6 Hz
Qts	0.264
Qes	0.29
Qms	3
Vas	502 L
Sd	463 cm²
Xmax	5 mm
Re	5.12 Ω
Bl	9 T·m
Mms	35.7 g
Pe	120 W
Sensitivity	95.7 dB

Alignment hint

EBP	71 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 81.3 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
Siare 31TE V2	23 +2.4	0.265 =	387 -115	5 =	95.9 +0.2	close		+
Vega 340 ACTBL	21 +0.4	0.268 =	445 -57	4 -1	94.3 -1.4	close	50 W vs 120 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL	+
Vifa M30W0-49-08	21 +0.4	0.225 -0.04	400 -102	6 +1	95.2 -0.5	usable		+
Audax HIF30HSMC-2CA14 vp	19 -1.6	0.272 +0.01	645.4 +143.4	4 -1	95.6 -0.1	usable	50 W vs 120 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL	+
Ciare CW322	22 +1.4	0.251 -0.01	355 -147	5 =	97.4 +1.7	usable	4 Ω vs 8 Ω: amp load changes	+
AER STUDIO BASS	21 +0.4	0.237 -0.03	360 -142	5.2 +0.2	94.3 -1.4	usable		+
Siare 31TE	23 +2.4	0.265 =	322 -180	5 =	95.1 -0.6	usable		+
Audax HIF30HSMC	19 -1.6	0.269 +0.01	645.5 +143.5	4 -1	92.7 -3	usable	50 W vs 120 W: lower power handling · Xmax 4 mm < 5 mm: lower excursion-limited SPL	+
Monacor SPP-300/AD	23 +2.4	0.265 =	305 -197	5 =	93.9 -1.8	usable		+
Audiotechnology 12D772510KAP	19 -1.6	0.257 -0.01	340 -162	8.6 +3.6	93.1 -2.6	usable		+

Compare the closest 3 against the 31TE-2B →

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.