Sound Storm Labs CR12D
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30.7 Hz |
| Qts | 0.522 |
| Qes | 0.605 |
| Qms | 3.822 |
| Vas | 66.9 L |
| Sd | 517 cm² |
| Xmax | 10.3 mm |
| Re | 7.2 Ω |
| Bl | 18.6 T·m |
| Mms | 150.6 g |
| Pe | 600 W |
| Sensitivity | 87.5 dB |
Alignment hint
| EBP | 51 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 80.1 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 |
|---|---|---|---|---|---|---|---|---|
| Alpine SWA-12S4 | 30 -0.7 | 0.49 -0.03 | 67.79 +0.89 | 10 -0.3 | 87.2 -0.3 | close | 4 Ω vs 8 Ω: amp load changes · 250 W vs 600 W: lower power handling · Xmax 10 mm < 10.3 mm: lower excursion-limited SPL | + |
| Powerbass S-1204D | 31 +0.3 | 0.5 -0.02 | 65 -1.9 | 9.5 -0.8 | 87.2 -0.3 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 9.5 mm < 10.3 mm: lower excursion-limited SPL | + |
| Infinity PRIMUS 1270 | 29.7 -1 | 0.49 -0.03 | 75.7 +8.8 | 11.3 +1 | 87.3 -0.2 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 600 W: lower power handling | + |
| Audio System HX12 SQ | 28.2 -2.5 | 0.5 -0.02 | 68 +1.1 | 11.8 +1.5 | 86.1 -1.4 | close | 4 Ω vs 8 Ω: amp load changes · 450 W vs 600 W: lower power handling | + |
| JL Audio 12W1V3-2 | 26.55 -4.15 | 0.52 = | 72 +5.1 | 11 +0.7 | 85.9 -1.6 | close | 2 Ω vs 8 Ω: amp load changes · 300 W vs 600 W: lower power handling | + |
| Rockford Fosgate T1D212 | 28 -2.7 | 0.522 = | 55.8 -11.1 | 10.9 +0.6 | 89.1 +1.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Dayton Audio UMII12-22 | 31 +0.3 | 0.564 +0.04 | 53 -13.9 | 10 -0.3 | 88.2 +0.7 | close | Xmax 10 mm < 10.3 mm: lower excursion-limited SPL | + |
| Rockford Fosgate P2D4-12 | 27 -3.7 | 0.581 +0.06 | 70.3 +3.4 | 10.1 -0.2 | 86.8 -0.7 | close | 400 W vs 600 W: lower power handling · Xmax 10.1 mm < 10.3 mm: lower excursion-limited SPL | + |
| Rockford Fosgate P3D4-12 | 27.7 -3 | 0.517 -0.01 | 57.7 -9.2 | 9.4 -0.9 | 86.3 -1.2 | close | Xmax 9.4 mm < 10.3 mm: lower excursion-limited SPL | + |
| JL Audio 13TW5V2-2 | 27.6 -3.1 | 0.526 = | 60.3 -6.6 | 9 -1.3 | 89.2 +1.7 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 10.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the CR12D →
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.