Dayton Audio UM12-22
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 24.9 Hz |
| Qts | 0.589 |
| Qes | 0.71 |
| Qms | 3.45 |
| Vas | 71.6 L |
| Sd | 490.9 cm² |
| Xmax | 12.5 mm |
| Re | 3.3 Ω |
| Bl | 11.8 T·m |
| Mms | 192.8 g |
| Pe | 600 W |
| Sensitivity | 87.7 dB |
Alignment hint
| EBP | 35 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 162.3 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 |
|---|---|---|---|---|---|---|---|---|
| Rockford Fosgate P2D4-12 | 27 +2.1 | 0.581 -0.01 | 70.3 -1.3 | 10.1 -2.4 | 86.8 -0.9 | close | 8 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 10.1 mm < 12.5 mm: lower excursion-limited SPL | + |
| JL Audio 12W1V3-2 | 26.55 +1.65 | 0.52 -0.07 | 72 +0.4 | 11 -1.5 | 85.9 -1.8 | close | 2 Ω vs 4 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 11 mm < 12.5 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS315HFA-8 | 25 +0.1 | 0.526 -0.06 | 75 +3.4 | 9.9 -2.6 | 85.5 -2.2 | usable | 8 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 9.9 mm < 12.5 mm: lower excursion-limited SPL | + |
| JL Audio 12W1V3-4 | 26.21 +1.31 | 0.5 -0.09 | 76.63 +5.03 | 11 -1.5 | 86.1 -1.6 | usable | 300 W vs 600 W: lower power handling · Xmax 11 mm < 12.5 mm: lower excursion-limited SPL | + |
| JL Audio 12W6V2-D4 | 25 +0.1 | 0.45 -0.14 | 79.9 +8.3 | 12.7 +0.2 | 86.9 -0.8 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Audio System HX12 SQ | 28.2 +3.3 | 0.5 -0.09 | 68 -3.6 | 11.8 -0.7 | 86.1 -1.6 | usable | 450 W vs 600 W: lower power handling · Xmax 11.8 mm < 12.5 mm: lower excursion-limited SPL | + |
| Infinity KAPPA 1200W | 26.5 +1.6 | 0.496 -0.09 | 64.47 -7.13 | 12.75 +0.25 | 85.1 -2.6 | usable | 2 Ω vs 4 Ω: amp load changes | + |
| JL Audio 12W0V3-4 | 28.4 +3.5 | 0.67 +0.08 | 71.6 = | 9.3 -3.2 | 88.3 +0.6 | usable | 8 Ω vs 4 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 9.3 mm < 12.5 mm: lower excursion-limited SPL | + |
| Infinity PRIMUS 1270 | 29.7 +4.8 | 0.49 -0.1 | 75.7 +4.1 | 11.3 -1.2 | 87.3 -0.4 | usable | 300 W vs 600 W: lower power handling · Xmax 11.3 mm < 12.5 mm: lower excursion-limited SPL | + |
| Sound Storm Labs CR12D | 30.7 +5.8 | 0.522 -0.07 | 66.9 -4.7 | 10.3 -2.2 | 87.5 -0.2 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 10.3 mm < 12.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the UM12-22 →
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.