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MTX Audio 812

12" · 32 Ω · 1800 W · 81.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance32 Ω
Fs35 Hz
Qts0.422
Qes0.46
Qms5.12
Vas24.6 L
Sd497.4 cm²
Xmax10 mm
Re20 Ω
Bl52.8 T·m
Mms291.5 g
Pe1800 W
Sensitivity81.6 dB

Alignment hint

EBP76 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 13.6 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
MTX Audio TX81235 =0.422 =24.6 =10 =91.6 +10usable4 Ω vs 32 Ω: amp load changes+
Hifonics MXZ 12D231 -40.443 +0.0230 +5.410.3 +0.387.3 +5.7usable8 Ω vs 32 Ω: amp load changes+
JL Audio 12TW1-235 =0.577 +0.1528.54 +3.9410 =85.07 +3.47usable2 Ω vs 32 Ω: amp load changes · 300 W vs 1800 W: lower power handling+
Audio System KRYPTON 1237 +20.39 -0.0330 +5.417 +787.5 +5.9usable4 Ω vs 32 Ω: amp load changes · 1000 W vs 1800 W: lower power handling+
Pioneer TS-SW124D(PREMIER)31.7 -3.30.55 +0.1328.062 +3.468.6 -1.483.9 +2.3usable4 Ω vs 32 Ω: amp load changes · 300 W vs 1800 W: lower power handling · Xmax 8.6 mm < 10 mm: lower excursion-limited SPL+
Hifonics CX12D236 +10.336 -0.0925 +0.412.5 +2.590.1 +8.5usable8 Ω vs 32 Ω: amp load changes+
FI Audio Q12 DUAL 233.9 -1.10.371 -0.0528.3 +3.710.6 +0.691.1 +9.5usable4 Ω vs 32 Ω: amp load changes+
JL Audio 12TW1-432.35 -2.650.529 +0.1133.67 +9.0710 =85.15 +3.55usable4 Ω vs 32 Ω: amp load changes · 300 W vs 1800 W: lower power handling+
Dayton Audio RSS315HE-2232 -30.461 +0.0432.4 +7.88.2 -1.888.1 +6.5usable8 Ω vs 32 Ω: amp load changes · 800 W vs 1800 W: lower power handling · Xmax 8.2 mm < 10 mm: lower excursion-limited SPL+
Monacor RAPTOR 12 MK234 -10.523 +0.132 +7.410.1 +0.189.2 +7.6usable4 Ω vs 32 Ω: amp load changes · 1000 W vs 1800 W: lower power handling+

Compare the closest 3 against the 812 →

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.