MTX Audio RT12-44
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 2 Ω |
| Fs | 28 Hz |
| Qts | 0.698 |
| Qes | 0.78 |
| Qms | 6.6 |
| Vas | 68 L |
| Sd | 510 cm² |
| Xmax | 7.6 mm |
| Re | 1.6 Ω |
| Bl | 7.9 T·m |
| Mms | 173.2 g |
| Pe | 250 W |
| Sensitivity | 91.8 dB |
Alignment hint
| EBP | 36 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 2589.1 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 |
|---|---|---|---|---|---|---|---|---|
| JL Audio 12W0V3-4 | 28.4 +0.4 | 0.67 -0.03 | 71.6 +3.6 | 9.3 +1.7 | 88.3 -3.5 | close | 8 Ω vs 2 Ω: amp load changes | + |
| MTX Audio RTL12-44 DVC | 30.4 +2.4 | 0.761 +0.06 | 74 +6 | 7.1 -0.5 | 91.7 -0.1 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 7.1 mm < 7.6 mm: lower excursion-limited SPL | + |
| Boston Acoustics G21244 | 28 = | 0.579 -0.12 | 65 -3 | 8.2 +0.6 | 92.4 +0.6 | close | + | |
| MTX Audio TH6000 6124 | 29.7 +1.7 | 0.66 -0.04 | 78.4 +10.4 | 7.4 -0.2 | 90.3 -1.5 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 7.4 mm < 7.6 mm: lower excursion-limited SPL | + |
| MTX Audio T5512-04 | 29.3 +1.3 | 0.583 -0.11 | 66.9 -1.1 | 7.3 -0.3 | 89.8 -2 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 7.3 mm < 7.6 mm: lower excursion-limited SPL | + |
| MTX Audio RT12-04 | 28 = | 0.535 -0.16 | 68 = | 7.5 -0.1 | 90.1 -1.7 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 7.5 mm < 7.6 mm: lower excursion-limited SPL | + |
| Alpine SWE-1241 | 31 +3 | 0.653 -0.04 | 61 -7 | 11.3 +3.7 | 89.6 -2.2 | usable | 4 Ω vs 2 Ω: amp load changes | + |
| Wavecor SW310WA01 | 28.5 +0.5 | 0.603 -0.09 | 65.5 -2.5 | 7.6 = | 86.8 -5 | usable | 8 Ω vs 2 Ω: amp load changes | + |
| Pioneer TS-300S4 | 27 -1 | 0.7 = | 77.88 +9.88 | 5 -2.6 | 93 +1.2 | usable | 4 Ω vs 2 Ω: amp load changes · Xmax 5 mm < 7.6 mm: lower excursion-limited SPL | + |
| Focal 33V2 | 28.7 +0.7 | 0.537 -0.16 | 76.2 +8.2 | 7.5 -0.1 | 92.5 +0.7 | usable | 4 Ω vs 2 Ω: amp load changes · Xmax 7.5 mm < 7.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the RT12-44 →
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.