Infinity KAPPA 1200W
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 2 Ω |
| Fs | 26.5 Hz |
| Qts | 0.496 |
| Qes | 0.566 |
| Qms | 4 |
| Vas | 64.47 L |
| Sd | 531 cm² |
| Xmax | 12.75 mm |
| Re | 1.94 Ω |
| Bl | 11.32 T·m |
| Mms | 224 g |
| Pe | 500 W |
| Sensitivity | 85.1 dB |
Alignment hint
| EBP | 47 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 62.4 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 |
|---|---|---|---|---|---|---|---|---|
| Audiomobile ELITE 2212 | 28 +1.5 | 0.48 -0.02 | 59.46 -5.01 | 12.7 -0.05 | 85.8 +0.7 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 12.7 mm < 12.75 mm: lower excursion-limited SPL | + |
| Audio System HX12 SQ | 28.2 +1.7 | 0.5 = | 68 +3.53 | 11.8 -0.95 | 86.1 +1 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 11.8 mm < 12.75 mm: lower excursion-limited SPL | + |
| JL Audio 12W1V3-2 | 26.55 +0.05 | 0.52 +0.02 | 72 +7.53 | 11 -1.75 | 85.9 +0.8 | close | 300 W vs 500 W: lower power handling · Xmax 11 mm < 12.75 mm: lower excursion-limited SPL | + |
| JL Audio 12W1V3-4 | 26.21 -0.29 | 0.5 = | 76.63 +12.16 | 11 -1.75 | 86.1 +1 | close | 4 Ω vs 2 Ω: amp load changes · 300 W vs 500 W: lower power handling · Xmax 11 mm < 12.75 mm: lower excursion-limited SPL | + |
| Earthquake Sound SUBZERO-12 | 26.8 +0.3 | 0.424 -0.07 | 58.1 -6.37 | 12.7 -0.05 | 86.2 +1.1 | close | 8 Ω vs 2 Ω: amp load changes · Xmax 12.7 mm < 12.75 mm: lower excursion-limited SPL | + |
| Rockford Fosgate T0D412 | 26 -0.5 | 0.529 +0.03 | 55.1 -9.37 | 10.7 -2.05 | 85.3 +0.2 | close | 8 Ω vs 2 Ω: amp load changes · Xmax 10.7 mm < 12.75 mm: lower excursion-limited SPL | + |
| JL Audio 12W7AE-3 | 27.2 +0.7 | 0.482 -0.01 | 66 +1.53 | 13.7 +0.95 | 91.2 +6.1 | close | 4 Ω vs 2 Ω: amp load changes | + |
| Dayton Audio RSS315HFA-8 | 25 -1.5 | 0.526 +0.03 | 75 +10.53 | 9.9 -2.85 | 85.5 +0.4 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 9.9 mm < 12.75 mm: lower excursion-limited SPL | + |
| Rockford Fosgate P3D4-12 | 27.7 +1.2 | 0.517 +0.02 | 57.7 -6.77 | 9.4 -3.35 | 86.3 +1.2 | usable | 8 Ω vs 2 Ω: amp load changes · Xmax 9.4 mm < 12.75 mm: lower excursion-limited SPL | + |
| Alpine SWA-12S4 | 30 +3.5 | 0.49 -0.01 | 67.79 +3.32 | 10 -2.75 | 87.2 +2.1 | usable | 4 Ω vs 2 Ω: amp load changes · 250 W vs 500 W: lower power handling · Xmax 10 mm < 12.75 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the KAPPA 1200W →
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.