Resonant Engineering XXX 12D1 vp
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 27 Hz |
| Qts | 0.401 |
| Qes | 0.44 |
| Qms | 4.52 |
| Vas | 56.5 L |
| Sd | 480 cm² |
| Xmax | 12.9 mm |
| Re | 2 Ω |
| Bl | 12.4 T·m |
| Mms | 198.6 g |
| Pe | 1000 W |
| Sensitivity | 92 dB |
Alignment hint
| EBP | 61 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 26.8 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 |
|---|---|---|---|---|---|---|---|---|
| Earthquake Sound SUBZERO-12 | 26.8 -0.2 | 0.424 +0.02 | 58.1 +1.6 | 12.7 -0.2 | 86.2 -5.8 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 12.7 mm < 12.9 mm: lower excursion-limited SPL | + |
| JL Audio 12W7AE-3 | 27.2 +0.2 | 0.482 +0.08 | 66 +9.5 | 13.7 +0.8 | 91.2 -0.8 | close | + | |
| MTX Audio TX612 | 27 = | 0.393 -0.01 | 42.7 -13.8 | 9.7 -3.2 | 91 -1 | usable | Xmax 9.7 mm < 12.9 mm: lower excursion-limited SPL | + |
| Morel ULTIMO 124 | 26 -1 | 0.421 +0.02 | 73.8 +17.3 | 14.6 +1.7 | 89 -3 | usable | + | |
| Ground Zero GZRW 12XS-AL | 30 +3 | 0.395 -0.01 | 52 -4.5 | 8.9 -4 | 90.4 -1.6 | usable | 600 W vs 1000 W: lower power handling · Xmax 8.9 mm < 12.9 mm: lower excursion-limited SPL | + |
| Dayton Audio TS320D-4 TITANIC MK 4 | 28.3 +1.3 | 0.453 +0.05 | 64.1 +7.6 | 9.8 -3.1 | 90.7 -1.3 | usable | 500 W vs 1000 W: lower power handling · Xmax 9.8 mm < 12.9 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS315HO-44 | 20.9 -6.1 | 0.382 -0.02 | 60.1 +3.6 | 11.5 -1.4 | 89.9 -2.1 | usable | 2 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling · Xmax 11.5 mm < 12.9 mm: lower excursion-limited SPL | + |
| Aura Sound NS12-794-4A | 27 = | 0.423 +0.02 | 78 +21.5 | 9.9 -3 | 90.9 -1.1 | usable | 400 W vs 1000 W: lower power handling · Xmax 9.9 mm < 12.9 mm: lower excursion-limited SPL | + |
| Focal P30DB | 29.4 +2.4 | 0.427 +0.03 | 56.8 +0.3 | 7.7 -5.2 | 93.7 +1.7 | usable | 2 Ω vs 4 Ω: amp load changes · 400 W vs 1000 W: lower power handling · Xmax 7.7 mm < 12.9 mm: lower excursion-limited SPL | + |
| Alpine SWR-1241D | 28 +1 | 0.427 +0.03 | 58 +1.5 | 6.9 -6 | 93 +1 | usable | 2 Ω vs 4 Ω: amp load changes · Xmax 6.9 mm < 12.9 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the XXX 12D1 vp →
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.