Ground Zero GZNW 15XMAX
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 29.5 Hz |
| Qts | 0.329 |
| Qes | 0.352 |
| Qms | 5.13 |
| Vas | 35.7 L |
| Sd | 707.5 cm² |
| Xmax | 10.5 mm |
| Re | 2 Ω |
| Bl | 24.5 T·m |
| Mms | 571.8 g |
| Pe | 3000 W |
| Sensitivity | 92.2 dB |
Alignment hint
| EBP | 84 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.9 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 RFL15 | 35 +5.5 | 0.414 +0.08 | 44 +8.3 | 11.1 +0.6 | 94.3 +2.1 | usable | + | |
| Hifonics CX15D2 | 34 +4.5 | 0.389 +0.06 | 59 +23.3 | 10 -0.5 | 92.4 +0.2 | usable | 8 Ω vs 4 Ω: amp load changes · 2250 W vs 3000 W: lower power handling · Xmax 10 mm < 10.5 mm: lower excursion-limited SPL | + |
| Rockford Fosgate T2S2-13 | 25.5 -4 | 0.353 +0.02 | 68.7 +33 | 12.9 +2.4 | 93.5 +1.3 | usable | 2 Ω vs 4 Ω: amp load changes · 2000 W vs 3000 W: lower power handling | + |
| Ascendant Audio 15 DUAL 2 Ohms | 30.1 +0.6 | 0.274 -0.05 | 55.1 +19.4 | 9.4 -1.1 | 96.9 +4.7 | usable | 2 Ω vs 4 Ω: amp load changes · Xmax 9.4 mm < 10.5 mm: lower excursion-limited SPL | + |
| Pioneer 8102 | 23.2 -6.3 | 0.311 -0.02 | 70.1 +34.4 | 14.4 +3.9 | 90.5 -1.7 | usable | + | |
| MTX Audio TX815 | 35 +5.5 | 0.508 +0.18 | 44.7 +9 | 9.6 -0.9 | 93.3 +1.1 | usable | 2000 W vs 3000 W: lower power handling · Xmax 9.6 mm < 10.5 mm: lower excursion-limited SPL | + |
| Ascendant Audio 15 DUAL 1 Ohms | 29.9 +0.4 | 0.274 -0.05 | 55.1 +19.4 | 9.4 -1.1 | 99.6 +7.4 | usable | 1 Ω vs 4 Ω: amp load changes · Xmax 9.4 mm < 10.5 mm: lower excursion-limited SPL | + |
| FI Audio Q15 DUAL 2 | 32.1 +2.6 | 0.419 +0.09 | 75.6 +39.9 | 11.3 +0.8 | 94.1 +1.9 | usable | 1750 W vs 3000 W: lower power handling | + |
| Rockford Fosgate T2D215 | 31 +1.5 | 0.523 +0.19 | 48.4 +12.7 | 8.7 -1.8 | 89.7 -2.5 | usable | 1200 W vs 3000 W: lower power handling · Xmax 8.7 mm < 10.5 mm: lower excursion-limited SPL | + |
| Peerless STW-350F188PR01-04 | 26.6 -2.9 | 0.479 +0.15 | 58.2 +22.5 | 10.1 -0.4 | 89.3 -2.9 | usable | 1200 W vs 3000 W: lower power handling · Xmax 10.1 mm < 10.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the GZNW 15XMAX →
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.