Ground Zero GZRW 15XSPL D2
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 34.1 Hz |
| Qts | 0.59 |
| Qes | 0.64 |
| Qms | 7.56 |
| Vas | 63.3 L |
| Sd | 831.7 cm² |
| Xmax | 11.3 mm |
| Re | 3.8 Ω |
| Bl | 20.6 T·m |
| Mms | 333.7 g |
| Pe | 2400 W |
| Sensitivity | 91.1 dB |
Alignment hint
| EBP | 53 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 145.1 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 |
|---|---|---|---|---|---|---|---|---|
| MTX Audio T612S-22 | 33.6 -0.5 | 0.602 +0.01 | 58.9 -4.4 | 7.4 -3.9 | 91.2 +0.1 | close | 600 W vs 2400 W: lower power handling · Xmax 7.4 mm < 11.3 mm: lower excursion-limited SPL | + |
| Lanzar OPTI1535D vp | 30 -4.1 | 0.587 = | 55.4 -7.9 | 10.4 -0.9 | 88.3 -2.8 | usable | 8 Ω vs 4 Ω: amp load changes · 1600 W vs 2400 W: lower power handling · Xmax 10.4 mm < 11.3 mm: lower excursion-limited SPL | + |
| American Bass DX 15 | 30.4 -3.7 | 0.56 -0.03 | 89.6 +26.3 | 15 +3.7 | 90 -1.1 | usable | 500 W vs 2400 W: lower power handling | + |
| B&C 15BG76 | 44 +9.9 | 0.56 -0.03 | 68.4 +5.1 | 9.6 -1.7 | 93.4 +2.3 | usable | 8 Ω vs 4 Ω: amp load changes · 500 W vs 2400 W: lower power handling · Xmax 9.6 mm < 11.3 mm: lower excursion-limited SPL | + |
| Orion Audio HCCA 154 | 30 -4.1 | 0.535 -0.05 | 80 +16.7 | 12.7 +1.4 | 87.9 -3.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| MTX Audio T815-22 | 32.3 -1.8 | 0.635 +0.05 | 57 -6.3 | 6.1 -5.2 | 90 -1.1 | usable | 600 W vs 2400 W: lower power handling · Xmax 6.1 mm < 11.3 mm: lower excursion-limited SPL | + |
| Rockford Fosgate T2D415 | 31 -3.1 | 0.613 +0.02 | 51.6 -11.7 | 9.3 -2 | 86.2 -4.9 | usable | 8 Ω vs 4 Ω: amp load changes · 1200 W vs 2400 W: lower power handling · Xmax 9.3 mm < 11.3 mm: lower excursion-limited SPL | + |
| Rockville 819216020739 | 33 -1.1 | 0.886 +0.3 | 70.6 +7.3 | 12.9 +1.6 | 92.1 +1 | usable | + | |
| Rockville W15K9D4 | 33 -1.1 | 0.886 +0.3 | 70.6 +7.3 | 12.9 +1.6 | 92.1 +1 | usable | + | |
| Rockford Fosgate T2D215 | 31 -3.1 | 0.523 -0.07 | 48.4 -14.9 | 8.7 -2.6 | 89.7 -1.4 | usable | 1200 W vs 2400 W: lower power handling · Xmax 8.7 mm < 11.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the GZRW 15XSPL D2 →
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.