Davis 31TCA12 v2009

12" · 8 Ω · 200 W · 95.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	32.5 Hz
Qts	0.31
Qes	0.354
Qms	2.499
Vas	222 L
Sd	543 cm²
Xmax	6 mm
Re	7 Ω
Bl	13.4 T·m
Mms	44.6 g
Pe	200 W
Sensitivity	95.9 dB

Alignment hint

EBP	92 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 52.8 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
Davis 31TCA12 vp rc	32.5 =	0.314 =	222 =	6 =	96.2 +0.3	close		+
Visaton TD	31 -1.5	0.324 +0.01	200 -22	7.3 +1.3	95.5 -0.4	close	150 W vs 200 W: lower power handling	+
Cabasse 30M22	31.5 -1	0.315 +0.01	196.1 -25.9	8 +2	97.7 +1.8	close		+
Visaton TD1	30.3 -2.2	0.327 +0.02	200 -22	7.6 +1.6	95.3 -0.6	close	150 W vs 200 W: lower power handling	+
Westra SW-300-2808	30 -2.5	0.322 +0.01	209 -13	9.3 +3.3	94.7 -1.2	close		+
Focal AUDIOM 12AX	30.7 -1.8	0.329 +0.02	226 +4	4.5 -1.5	95.9 =	close	150 W vs 200 W: lower power handling · Xmax 4.5 mm < 6 mm: lower excursion-limited SPL	+
Visaton WS33NG	30 -2.5	0.308 =	190 -32	8 +2	94.5 -1.4	close		+
Samy Speaker LW1200	30.7 -1.8	0.36 +0.05	210 -12	6 =	94.3 -1.6	close	100 W vs 200 W: lower power handling	+
Davis 31TCA12 v2012	38 +5.5	0.333 +0.02	216 -6	6 =	97.9 +2	close		+
Davis 31TK12	38.1 +5.6	0.314 =	216 -6	5 -1	98 +2.1	close	150 W vs 200 W: lower power handling · Xmax 5 mm < 6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 31TCA12 v2009 →

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.