MTX Audio XT12-44

12" · 2 Ω · 250 W · 94.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	2 Ω
Fs	34.5 Hz
Qts	0.702
Qes	0.76
Qms	9.2
Vas	57 L
Sd	543 cm²
Xmax	4.3 mm
Re	1.5 Ω
Bl	8.1 T·m
Mms	154.3 g
Pe	250 W
Sensitivity	94.1 dB

Alignment hint

EBP	45 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 3903.5 L

EBP < 50: favours a sealed (closed) 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
Selenium 12SW10A DVC	36 +1.5	0.665 -0.04	63.6 +6.6	7 +2.7	94.7 +0.6	close		+
Pioneer TS-A30S4	39.2 +4.7	0.7 =	56.1 -0.9	6.6 +2.3	92.1 -2	close	4 Ω vs 2 Ω: amp load changes	+
Peerless SBS-300F38CP01-04	36 +1.5	0.611 -0.09	55.8 -1.2	5.9 +1.6	90.9 -3.2	usable	4 Ω vs 2 Ω: amp load changes	+
MTX Audio RTS12-04	33.5 -1	0.631 -0.07	58.4 +1.4	5.8 +1.5	89.5 -4.6	usable	4 Ω vs 2 Ω: amp load changes	+
hertz Hertz Audio ES300.5	35 +0.5	0.66 -0.04	48.5 -8.5	6.8 +2.5	90.8 -3.3	usable	4 Ω vs 2 Ω: amp load changes	+
Selenium 12SW3A DVC 2+2	35 +0.5	0.724 +0.02	49 -8	6.5 +2.2	89.6 -4.5	usable	4 Ω vs 2 Ω: amp load changes	+
MTX Audio T8500	35.5 +1	0.734 +0.03	41.5 -15.5	5.4 +1.1	92.2 -1.9	usable		+
Ground Zero GZIW 300X	34.9 +0.4	0.69 -0.01	53.6 -3.4	7.5 +3.2	86.6 -7.5	usable	4 Ω vs 2 Ω: amp load changes	+
Focal 33F	36.5 +2	0.712 +0.01	95.5 +38.5	6 +1.7	94.1 =	usable	4 Ω vs 2 Ω: amp load changes	+
Monacor CRB-12TC vp parallèle	31 -3.5	0.611 -0.09	75 +18	4.9 +0.6	93.5 -0.6	usable	100 W vs 250 W: lower power handling	+

Compare the closest 3 against the XT12-44 →

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.