MTX Audio T8500

12" · 2 Ω · 350 W · 92.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	2 Ω
Fs	35.5 Hz
Qts	0.734
Qes	0.89
Qms	4.18
Vas	41.5 L
Sd	558.7 cm²
Xmax	5.4 mm
Re	1.57 Ω
Bl	9.1 T·m
Mms	212.1 g
Pe	350 W
Sensitivity	92.2 dB

Alignment hint

EBP	40 · sealed
Sealed Vb (Qtc ≈ 0.71)	Qts too high

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 12SW3A DVC 2+2	35 -0.5	0.724 -0.01	49 +7.5	6.5 +1.1	89.6 -2.6	close	4 Ω vs 2 Ω: amp load changes	+
hertz Hertz Audio ES300.5	35 -0.5	0.66 -0.07	48.5 +7	6.8 +1.4	90.8 -1.4	close	4 Ω vs 2 Ω: amp load changes	+
Fountek FW300	37.3 +1.8	0.783 +0.05	50.1 +8.6	5.5 +0.1	89.8 -2.4	close	4 Ω vs 2 Ω: amp load changes	+
Pioneer TS-W311S4	42 +6.5	0.795 +0.06	37.5 -4	5.8 +0.4	91.4 -0.8	close	4 Ω vs 2 Ω: amp load changes	+
Ground Zero GZIW 12XSPL-D2	32.5 -3	0.736 =	40.4 -1.1	7.6 +2.2	87.1 -5.1	close	8 Ω vs 2 Ω: amp load changes	+
Pioneer TS-A30S4	39.2 +3.7	0.7 -0.03	56.1 +14.6	6.6 +1.2	92.1 -0.1	usable	4 Ω vs 2 Ω: amp load changes	+
Pioneer TS-W310S4	35 -0.5	0.634 -0.1	35.4 -6.1	6.3 +0.9	89.9 -2.3	usable	4 Ω vs 2 Ω: amp load changes	+
Pioneer TS-W310D4	37 +1.5	0.778 +0.04	37.4 -4.1	6.2 +0.8	87 -5.2	usable	8 Ω vs 2 Ω: amp load changes	+
Pioneer TS-W3003D4	35 -0.5	0.588 -0.15	34.6 -6.9	6.2 +0.8	91.8 -0.4	usable	4 Ω vs 2 Ω: amp load changes	+
Pioneer TS-SW3002S4	35 -0.5	0.61 -0.12	35.4 -6.1	8.8 +3.4	93 +0.8	usable	4 Ω vs 2 Ω: amp load changes	+

Compare the closest 3 against the T8500 →

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.