MTX Audio TX812
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 35 Hz |
| Qts | 0.422 |
| Qes | 0.46 |
| Qms | 5.12 |
| Vas | 24.6 L |
| Sd | 497.4 cm² |
| Xmax | 10 mm |
| Re | 2 Ω |
| Bl | 16.7 T·m |
| Mms | 291.5 g |
| Pe | 1800 W |
| Sensitivity | 91.6 dB |
Alignment hint
| EBP | 76 · 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
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| FI Audio Q12 DUAL 2 | 33.9 -1.1 | 0.371 -0.05 | 28.3 +3.7 | 10.6 +0.6 | 91.1 -0.5 | close | + | |
| Hifonics CX12D2 | 36 +1 | 0.336 -0.09 | 25 +0.4 | 12.5 +2.5 | 90.1 -1.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| DC Audio LV4 D2 | 35.9 +0.9 | 0.5 +0.08 | 30.6 +6 | 11 +1 | 92.2 +0.6 | usable | 1400 W vs 1800 W: lower power handling | + |
| MTX Audio 812 | 35 = | 0.422 = | 24.6 = | 10 = | 81.6 -10 | usable | 32 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 12RS1066 | 45 +10 | 0.44 +0.02 | 28.4 +3.8 | 12.45 +2.45 | 92 +0.4 | usable | 16 Ω vs 4 Ω: amp load changes · 1000 W vs 1800 W: lower power handling | + |
| Faital PRO 12XL1200 | 50 +15 | 0.42 = | 25 +0.4 | 12.45 +2.45 | 93 +1.4 | usable | 8 Ω vs 4 Ω: amp load changes · 1400 W vs 1800 W: lower power handling | + |
| B&C 12BG76 | 44 +9 | 0.41 -0.01 | 32 +7.4 | 9.5 -0.5 | 92 +0.4 | usable | 8 Ω vs 4 Ω: amp load changes · 500 W vs 1800 W: lower power handling · Xmax 9.5 mm < 10 mm: lower excursion-limited SPL | + |
| Ascendant Audio HAVOC 12 D2 | 33.7 -1.3 | 0.379 -0.04 | 28.9 +4.3 | 8.2 -1.8 | 94 +2.4 | usable | 2 Ω vs 4 Ω: amp load changes · 1000 W vs 1800 W: lower power handling · Xmax 8.2 mm < 10 mm: lower excursion-limited SPL | + |
| Pioneer TS-W5102SPL | 30 -5 | 0.344 -0.08 | 26.7 +2.1 | 12.6 +2.6 | 92.3 +0.7 | usable | 2 Ω vs 4 Ω: amp load changes | + |
| Hifonics MXZ 12D2 | 31 -4 | 0.443 +0.02 | 30 +5.4 | 10.3 +0.3 | 87.3 -4.3 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the TX812 →
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.