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Ground Zero GZIW 12XSPL-D2

12" · 8 Ω · 500 W · 87.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs32.5 Hz
Qts0.736
Qes0.79
Qms10.76
Vas40.4 L
Sd529 cm²
Xmax7.6 mm
Re4.33 Ω
Bl16.1 T·m
Mms232.9 g
Pe500 W
Sensitivity87.1 dB

Alignment hint

EBP41 · 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Pioneer TS-W310D437 +4.50.778 +0.0437.4 -36.2 -1.487 -0.1closeXmax 6.2 mm < 7.6 mm: lower excursion-limited SPL+
Hertz Audio ES 300.535 +2.50.66 -0.0848.5 +8.19 +1.486.6 -0.5close4 Ω vs 8 Ω: amp load changes · 350 W vs 500 W: lower power handling+
Ground Zero GZIW 300X34.9 +2.40.69 -0.0553.6 +13.27.5 -0.186.6 -0.5close4 Ω vs 8 Ω: amp load changes · 350 W vs 500 W: lower power handling · Xmax 7.5 mm < 7.6 mm: lower excursion-limited SPL+
Powerbass S-12T34.4 +1.90.634 -0.145.92 +5.526.9 -0.785.8 -1.3usable4 Ω vs 8 Ω: amp load changes · 300 W vs 500 W: lower power handling · Xmax 6.9 mm < 7.6 mm: lower excursion-limited SPL+
Selenium 12SW3A DVC 2+235 +2.50.724 -0.0149 +8.66.5 -1.189.6 +2.5usable4 Ω vs 8 Ω: amp load changes · Xmax 6.5 mm < 7.6 mm: lower excursion-limited SPL+
Skar Audio EV-12 S243.1 +10.60.7 -0.0436.7 -3.78.5 +0.987.6 +0.5usable2 Ω vs 8 Ω: amp load changes · 200 W vs 500 W: lower power handling+
American Bass DX 1235.6 +3.10.6 -0.1441.5 +1.112 +4.486.2 -0.9usable4 Ω vs 8 Ω: amp load changes+
Infinity Kappa 123WDSSI 2Ohm34.2 +1.70.778 +0.0458.6153 +18.2210.2 +2.686.0429 -1.06usable2 Ω vs 8 Ω: amp load changes+
Sony XS-L124P5B33.1 +0.60.626 -0.1144.5 +4.16 -1.688.8 +1.7usable4 Ω vs 8 Ω: amp load changes · 380 W vs 500 W: lower power handling · Xmax 6 mm < 7.6 mm: lower excursion-limited SPL+
Selenium 12SW13ADVC 4+437 +4.50.854 +0.1247 +6.67 -0.686.2 -0.9usableXmax 7 mm < 7.6 mm: lower excursion-limited SPL+

Compare the closest 3 against the GZIW 12XSPL-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.