Rockford Fosgate T2D412
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39.9 Hz |
| Qts | 0.595 |
| Qes | 0.67 |
| Qms | 5.31 |
| Vas | 13.6 L |
| Sd | 430 cm² |
| Xmax | 7.3 mm |
| Re | 6.8 Ω |
| Bl | 27.8 T·m |
| Mms | 303.2 g |
| Pe | 1200 W |
| Sensitivity | 83.8 dB |
Alignment hint
| EBP | 60 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 33 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 |
|---|---|---|---|---|---|---|---|---|
| Rockford Fosgate T2D212 | 38.7 -1.2 | 0.489 -0.11 | 13.6 = | 7.1 -0.2 | 87.3 +3.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 7.1 mm < 7.3 mm: lower excursion-limited SPL | + |
| Monacor RAPTOR 12 v2014 2 | 43 +3.1 | 0.548 -0.05 | 17.8 +4.2 | 6.8 -0.5 | 91.6 +7.8 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 6.8 mm < 7.3 mm: lower excursion-limited SPL | + |
| Pioneer TS-W3002D2 | 30 -9.9 | 0.549 -0.05 | 13.1 -0.5 | 4.8 -2.5 | 87.2 +3.4 | usable | 2 Ω vs 8 Ω: amp load changes · 400 W vs 1200 W: lower power handling · Xmax 4.8 mm < 7.3 mm: lower excursion-limited SPL | + |
| JL Audio 12TW1-2 | 35 -4.9 | 0.577 -0.02 | 28.54 +14.94 | 10 +2.7 | 85.07 +1.27 | usable | 2 Ω vs 8 Ω: amp load changes · 300 W vs 1200 W: lower power handling | + |
| Monacor RAPTOR 12 v2014 | 43 +3.1 | 0.545 -0.05 | 22.5 +8.9 | 7.7 +0.4 | 90.7 +6.9 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Pioneer TS-SW1241D(PREMIER) | 33.1 -6.8 | 0.73 +0.14 | 19.51 +5.91 | 6.35 -0.95 | 81.4 -2.4 | usable | 4 Ω vs 8 Ω: amp load changes · 350 W vs 1200 W: lower power handling · Xmax 6.35 mm < 7.3 mm: lower excursion-limited SPL | + |
| Pioneer TS-SW124D(PREMIER) | 31.7 -8.2 | 0.55 -0.04 | 28.062 +14.46 | 8.6 +1.3 | 83.9 +0.1 | usable | 4 Ω vs 8 Ω: amp load changes · 300 W vs 1200 W: lower power handling | + |
| Orion Audio H2 12.4 | 33.9 -6 | 0.61 +0.02 | 28.35 +14.75 | 29 +21.7 | 84.1 +0.3 | usable | + | |
| DD Audio 712D4 | 37.7 -2.2 | 0.478 -0.12 | 20.2 +6.6 | 7 -0.3 | 91.2 +7.4 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 7.3 mm: lower excursion-limited SPL | + |
| Monacor RAPTOR 12 | 43 +3.1 | 0.624 +0.03 | 27.5 +13.9 | 8.5 +1.2 | 90.7 +6.9 | usable | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the T2D412 →
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.