Morel ULTIMO 124
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 26 Hz |
| Qts | 0.421 |
| Qes | 0.56 |
| Qms | 1.69 |
| Vas | 73.8 L |
| Sd | 448 cm² |
| Xmax | 14.6 mm |
| Re | 3.7 Ω |
| Bl | 12.4 T·m |
| Mms | 142.9 g |
| Pe | 1000 W |
| Sensitivity | 89 dB |
Alignment hint
| EBP | 46 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 40.5 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 |
|---|---|---|---|---|---|---|---|---|
| Ground Zero GZUW 300SQ | 25.3 -0.7 | 0.423 = | 86.6 +12.8 | 12.9 -1.7 | 88 -1 | close | 8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling · Xmax 12.9 mm < 14.6 mm: lower excursion-limited SPL | + |
| JL Audio 12W6V2-D4 | 25 -1 | 0.45 +0.03 | 79.9 +6.1 | 12.7 -1.9 | 86.9 -2.1 | close | 8 Ω vs 4 Ω: amp load changes · 600 W vs 1000 W: lower power handling · Xmax 12.7 mm < 14.6 mm: lower excursion-limited SPL | + |
| Aura Sound NS12-794-4A | 27 +1 | 0.423 = | 78 +4.2 | 9.9 -4.7 | 90.9 +1.9 | close | 400 W vs 1000 W: lower power handling · Xmax 9.9 mm < 14.6 mm: lower excursion-limited SPL | + |
| JL Audio 12W3V3-4 | 26.7 +0.7 | 0.446 +0.03 | 80.6 +6.8 | 10.9 -3.7 | 90.6 +1.6 | close | 500 W vs 1000 W: lower power handling · Xmax 10.9 mm < 14.6 mm: lower excursion-limited SPL | + |
| RE Audio XXX12-V2-4 | 21 -5 | 0.404 -0.02 | 73.9 +0.1 | 13.5 -1.1 | 86.5 -2.5 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 13.5 mm < 14.6 mm: lower excursion-limited SPL | + |
| JL Audio 12W7AE-3 | 27.2 +1.2 | 0.482 +0.06 | 66 -7.8 | 13.7 -0.9 | 91.2 +2.2 | usable | Xmax 13.7 mm < 14.6 mm: lower excursion-limited SPL | + |
| Earthquake Sound SUBZERO-12 | 26.8 +0.8 | 0.424 = | 58.1 -15.7 | 12.7 -1.9 | 86.2 -2.8 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 12.7 mm < 14.6 mm: lower excursion-limited SPL | + |
| Dayton Audio TIT320C-4 Titanic Mk III | 24.9 -1.1 | 0.458 +0.04 | 64.3 -9.5 | 10.5 -4.1 | 89.2 +0.2 | usable | 500 W vs 1000 W: lower power handling · Xmax 10.5 mm < 14.6 mm: lower excursion-limited SPL | + |
| Gladen ZERO 12 PRO | 27 +1 | 0.38 -0.04 | 93.72 +19.92 | 12.5 -2.1 | 88.5 -0.5 | usable | 500 W vs 1000 W: lower power handling · Xmax 12.5 mm < 14.6 mm: lower excursion-limited SPL | + |
| TC Sounds EPIC 12 DVC v2012 | 24 -2 | 0.394 -0.03 | 91.1 +17.3 | 12.5 -2.1 | 90.2 +1.2 | usable | 500 W vs 1000 W: lower power handling · Xmax 12.5 mm < 14.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the ULTIMO 124 →
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.