Rockford Fosgate T2D415
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 31 Hz |
| Qts | 0.613 |
| Qes | 0.69 |
| Qms | 5.49 |
| Vas | 51.6 L |
| Sd | 750 cm² |
| Xmax | 9.3 mm |
| Re | 6.8 Ω |
| Bl | 27.8 T·m |
| Mms | 402.8 g |
| Pe | 1200 W |
| Sensitivity | 86.2 dB |
Alignment hint
| EBP | 45 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 156.1 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 |
|---|---|---|---|---|---|---|---|---|
| Lanzar OPTI1535D vp | 30 -1 | 0.587 -0.03 | 55.4 +3.8 | 10.4 +1.1 | 88.3 +2.1 | close | + | |
| Rockford Fosgate T2D215 | 31 = | 0.523 -0.09 | 48.4 -3.2 | 8.7 -0.6 | 89.7 +3.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 8.7 mm < 9.3 mm: lower excursion-limited SPL | + |
| Ground Zero GZRW 15XSPL D2 | 34.1 +3.1 | 0.59 -0.02 | 63.3 +11.7 | 11.3 +2 | 91.1 +4.9 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| MTX Audio T612S-22 | 33.6 +2.6 | 0.602 -0.01 | 58.9 +7.3 | 7.4 -1.9 | 91.2 +5 | usable | 4 Ω vs 8 Ω: amp load changes · 600 W vs 1200 W: lower power handling · Xmax 7.4 mm < 9.3 mm: lower excursion-limited SPL | + |
| MTX Audio T815-22 | 32.3 +1.3 | 0.635 +0.02 | 57 +5.4 | 6.1 -3.2 | 90 +3.8 | usable | 4 Ω vs 8 Ω: amp load changes · 600 W vs 1200 W: lower power handling · Xmax 6.1 mm < 9.3 mm: lower excursion-limited SPL | + |
| Orion Audio HCCA 154 | 30 -1 | 0.535 -0.08 | 80 +28.4 | 12.7 +3.4 | 87.9 +1.7 | usable | + | |
| Peerless STW-350F188PR01-04 | 26.6 -4.4 | 0.479 -0.13 | 58.2 +6.6 | 10.1 +0.8 | 89.3 +3.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Audiobahn AW150T | 30.6 -0.4 | 0.54 -0.07 | 95 +43.4 | 10 +0.7 | 88.5 +2.3 | usable | 4 Ω vs 8 Ω: amp load changes · 800 W vs 1200 W: lower power handling | + |
| MTX Audio TX815 | 35 +4 | 0.508 -0.1 | 44.7 -6.9 | 9.6 +0.3 | 93.3 +7.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| American Bass DX 15 | 30.4 -0.6 | 0.56 -0.05 | 89.6 +38 | 15 +5.7 | 90 +3.8 | usable | 4 Ω vs 8 Ω: amp load changes · 500 W vs 1200 W: lower power handling | + |
Compare the closest 3 against the T2D415 →
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.