Rockford Fosgate T0D412
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26 Hz |
| Qts | 0.529 |
| Qes | 0.58 |
| Qms | 6 |
| Vas | 55.1 L |
| Sd | 548 cm² |
| Xmax | 10.7 mm |
| Re | 6.2 Ω |
| Bl | 22.4 T·m |
| Mms | 286.3 g |
| Pe | 700 W |
| Sensitivity | 85.3 dB |
Alignment hint
| EBP | 45 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 70 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 P3D4-12 | 27.7 +1.7 | 0.517 -0.01 | 57.7 +2.6 | 9.4 -1.3 | 86.3 +1 | close | Xmax 9.4 mm < 10.7 mm: lower excursion-limited SPL | + |
| Infinity KAPPA 1200W | 26.5 +0.5 | 0.496 -0.03 | 64.47 +9.37 | 12.75 +2.05 | 85.1 -0.2 | close | 2 Ω vs 8 Ω: amp load changes · 500 W vs 700 W: lower power handling | + |
| Rockford Fosgate T1D212 | 28 +2 | 0.522 -0.01 | 55.8 +0.7 | 10.9 +0.2 | 89.1 +3.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| JL Audio 12W1V3-2 | 26.55 +0.55 | 0.52 -0.01 | 72 +16.9 | 11 +0.3 | 85.9 +0.6 | close | 2 Ω vs 8 Ω: amp load changes · 300 W vs 700 W: lower power handling | + |
| Rockford Fosgate T0D212 | 25.3 -0.7 | 0.473 -0.06 | 55 -0.1 | 10.5 -0.2 | 88 +2.7 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 10.5 mm < 10.7 mm: lower excursion-limited SPL | + |
| Audiomobile ELITE 2212 | 28 +2 | 0.48 -0.05 | 59.46 +4.36 | 12.7 +2 | 85.8 +0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Rockford Fosgate T1D412 | 29.2 +3.2 | 0.613 +0.08 | 55.8 +0.7 | 10.9 +0.2 | 85.8 +0.5 | close | + | |
| Dayton Audio RSS315HFA-8 | 25 -1 | 0.526 = | 75 +19.9 | 9.9 -0.8 | 85.5 +0.2 | close | 400 W vs 700 W: lower power handling · Xmax 9.9 mm < 10.7 mm: lower excursion-limited SPL | + |
| Audio System HX12 SQ | 28.2 +2.2 | 0.5 -0.03 | 68 +12.9 | 11.8 +1.1 | 86.1 +0.8 | close | 4 Ω vs 8 Ω: amp load changes · 450 W vs 700 W: lower power handling | + |
| JL Audio 12W1V3-4 | 26.21 +0.21 | 0.5 -0.03 | 76.63 +21.53 | 11 +0.3 | 86.1 +0.8 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 700 W: lower power handling | + |
Compare the closest 3 against the T0D412 →
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.