Earthquake Sound DB15
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 23 Hz |
| Qts | 0.968 |
| Qes | 1.08 |
| Qms | 9.33 |
| Vas | 95.4 L |
| Sd | 695.1 cm² |
| Xmax | 11.1 mm |
| Re | 3.33 Ω |
| Bl | 12.3 T·m |
| Mms | 340 g |
| Pe | 750 W |
| Sensitivity | 86.1 dB |
Alignment hint
| EBP | 21 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 |
|---|---|---|---|---|---|---|---|---|
| Hertz Audio ES 380.5 | 32 +9 | 0.9 -0.07 | 98.8 +3.4 | 9 -2.1 | 87.1 +1 | usable | 450 W vs 750 W: lower power handling · Xmax 9 mm < 11.1 mm: lower excursion-limited SPL | + |
| Dayton Audio UMII15-22 | 29 +6 | 0.701 -0.27 | 96 +0.6 | 9.3 -1.8 | 88.5 +2.4 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 9.3 mm < 11.1 mm: lower excursion-limited SPL | + |
| Sono Concept Plus E07094D | 25 +2 | 0.796 -0.17 | 135.3 +39.9 | 6.1 -5 | 85.9 -0.2 | usable | 8 Ω vs 4 Ω: amp load changes · 200 W vs 750 W: lower power handling · Xmax 6.1 mm < 11.1 mm: lower excursion-limited SPL | + |
| Soundstream R1-15 | 23.7 +0.7 | 0.62 -0.35 | 136.6 +41.2 | 17.2 +6.1 | 87.2 +1.1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Rockville 819216020739 | 33 +10 | 0.886 -0.08 | 70.6 -24.8 | 12.9 +1.8 | 92.1 +6 | usable | + | |
| Rockville W15K9D4 | 33 +10 | 0.886 -0.08 | 70.6 -24.8 | 12.9 +1.8 | 92.1 +6 | usable | + | |
| Alpine SWR-1542D | 23 = | 0.452 -0.52 | 100 +4.6 | 10.3 -0.8 | 86.7 +0.6 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 10.3 mm < 11.1 mm: lower excursion-limited SPL | + |
| Rockford Fosgate T0D415 | 26.2 +3.2 | 0.521 -0.45 | 94.4 -1 | 9.7 -1.4 | 88 +1.9 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 9.7 mm < 11.1 mm: lower excursion-limited SPL | + |
| Rockford Fosgate P3D4-15 | 22.4 -0.6 | 0.566 -0.4 | 155.8 +60.4 | 11 -0.1 | 87.3 +1.2 | risky | 8 Ω vs 4 Ω: amp load changes · Xmax 11 mm < 11.1 mm: lower excursion-limited SPL | + |
| Audiobahn AW150T | 30.6 +7.6 | 0.54 -0.43 | 95 -0.4 | 10 -1.1 | 88.5 +2.4 | risky | Xmax 10 mm < 11.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the DB15 →
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.