Ground Zero GZHW 38X
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 22.6 Hz |
| Qts | 0.43 |
| Qes | 0.47 |
| Qms | 5.05 |
| Vas | 147 L |
| Sd | 851 cm² |
| Xmax | 12.5 mm |
| Re | 4.3 Ω |
| Bl | 21.1 T·m |
| Mms | 342.5 g |
| Pe | 1000 W |
| Sensitivity | 90.3 dB |
Alignment hint
| EBP | 48 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 86.3 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 |
|---|---|---|---|---|---|---|---|---|
| Dayton Audio MX15-22 | 21.7 -0.9 | 0.415 -0.02 | 146.1 -0.9 | 12.3 -0.2 | 90.1 -0.2 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 12.3 mm < 12.5 mm: lower excursion-limited SPL | + |
| TC Sounds LMS R15 | 23.6 +1 | 0.446 +0.02 | 123 -24 | 12.1 -0.4 | 90.2 -0.1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 12.1 mm < 12.5 mm: lower excursion-limited SPL | + |
| Dayton Audio TIT400C | 24.2 +1.6 | 0.483 +0.05 | 154.3 +7.3 | 13.3 +0.8 | 91.5 +1.2 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Stereo Integrity SQL-15 15 | 23.8 +1.2 | 0.418 -0.01 | 115 -32 | 12.1 -0.4 | 90.9 +0.6 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 12.1 mm < 12.5 mm: lower excursion-limited SPL | + |
| 18 Sound 15NTLS3500 | 28 +5.4 | 0.42 -0.01 | 141 -6 | 15.3 +2.8 | 89 -1.3 | close | + | |
| Powerbass M-1504 | 22 -0.6 | 0.442 +0.01 | 181.7 +34.7 | 11 -1.5 | 87.7 -2.6 | usable | 4 Ω vs 8 Ω: amp load changes · 425 W vs 1000 W: lower power handling · Xmax 11 mm < 12.5 mm: lower excursion-limited SPL | + |
| JL Audio 13W7AE-D1.5 | 23.5 +0.9 | 0.448 +0.02 | 104.3 -42.7 | 12.1 -0.4 | 91.7 +1.4 | usable | 4 Ω vs 8 Ω: amp load changes · 750 W vs 1000 W: lower power handling · Xmax 12.1 mm < 12.5 mm: lower excursion-limited SPL | + |
| Soundstream T5-15 vp | 19.7 -2.9 | 0.336 -0.09 | 153.4 +6.4 | 12 -0.5 | 90 -0.3 | usable | Xmax 12 mm < 12.5 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS390HF-4 v2015 | 19.5 -3.1 | 0.429 = | 212 +65 | 12 -0.5 | 91.2 +0.9 | usable | 4 Ω vs 8 Ω: amp load changes · 500 W vs 1000 W: lower power handling · Xmax 12 mm < 12.5 mm: lower excursion-limited SPL | + |
| JBL W15GTI | 25.2 +2.6 | 0.476 +0.05 | 132.2 -14.8 | 10.2 -2.3 | 92.5 +2.2 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 10.2 mm < 12.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the GZHW 38X →
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.