Ground Zero GZUW 300SQ
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 25.3 Hz |
| Qts | 0.423 |
| Qes | 0.47 |
| Qms | 4.22 |
| Vas | 86.6 L |
| Sd | 524.5 cm² |
| Xmax | 12.9 mm |
| Re | 6 Ω |
| Bl | 18.9 T·m |
| Mms | 176.2 g |
| Pe | 700 W |
| Sensitivity | 88 dB |
Alignment hint
| EBP | 54 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 48.3 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 |
|---|---|---|---|---|---|---|---|---|
| JL Audio 12W6V2-D4 | 25 -0.3 | 0.45 +0.03 | 79.9 -6.7 | 12.7 -0.2 | 86.9 -1.1 | close | Xmax 12.7 mm < 12.9 mm: lower excursion-limited SPL | + |
| Morel ULTIMO 124 | 26 +0.7 | 0.421 = | 73.8 -12.8 | 14.6 +1.7 | 89 +1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Infinity REFERENCE 1240W | 25.4 +0.1 | 0.47 +0.05 | 84.4 -2.2 | 11.5 -1.4 | 86.3 -1.7 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 700 W: lower power handling · Xmax 11.5 mm < 12.9 mm: lower excursion-limited SPL | + |
| Infinity REFERENCE 1250W | 25.4 +0.1 | 0.47 +0.05 | 84.4 -2.2 | 11.5 -1.4 | 86.3 -1.7 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 700 W: lower power handling · Xmax 11.5 mm < 12.9 mm: lower excursion-limited SPL | + |
| Infinity REFERENCE 1260W | 23.5 -1.8 | 0.39 -0.03 | 83 -3.6 | 13 +0.1 | 86 -2 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 700 W: lower power handling | + |
| Gladen ZERO 12 PRO | 27 +1.7 | 0.38 -0.04 | 93.72 +7.12 | 12.5 -0.4 | 88.5 +0.5 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 700 W: lower power handling · Xmax 12.5 mm < 12.9 mm: lower excursion-limited SPL | + |
| TC Sounds EPIC 12 DVC v2012 | 24 -1.3 | 0.394 -0.03 | 91.1 +4.5 | 12.5 -0.4 | 90.2 +2.2 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 700 W: lower power handling · Xmax 12.5 mm < 12.9 mm: lower excursion-limited SPL | + |
| TC Sounds EPIC 12 DVC v2014 | 24 -1.3 | 0.394 -0.03 | 91 +4.4 | 12.2 -0.7 | 90.2 +2.2 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 700 W: lower power handling · Xmax 12.2 mm < 12.9 mm: lower excursion-limited SPL | + |
| TC Sounds EPIC 12 DVC v2009 | 24 -1.3 | 0.399 -0.02 | 91.2 +4.6 | 11.7 -1.2 | 90.1 +2.1 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 700 W: lower power handling · Xmax 11.7 mm < 12.9 mm: lower excursion-limited SPL | + |
| Infinity KAPPA PERFECT 12.1 | 23.32 -1.98 | 0.44 +0.02 | 99.97 +13.37 | 14.15 +1.25 | 86.2 -1.8 | close | 4 Ω vs 8 Ω: amp load changes · 350 W vs 700 W: lower power handling | + |
Compare the closest 3 against the GZUW 300SQ →
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.