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Ground Zero GZHW 30X

12" · 4 Ω · 800 W · 90.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs22.6 Hz
Qts0.32
Qes0.36
Qms2.87
Vas101 L
Sd496.6 cm²
Xmax12.3 mm
Re3.6 Ω
Bl15.5 T·m
Mms169.8 g
Pe800 W
Sensitivity90.6 dB

Alignment hint

EBP63 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 26 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Rockford Fosgate RFR221224 +1.40.376 +0.0693 -813 +0.790.5 -0.1close+
Eminence LAB 12C23 +0.40.33 +0.01128.31 +27.3113 +0.788.9 -1.7close500 W vs 800 W: lower power handling+
Eminence LAB 12 C22.9 +0.30.33 +0.01128.3 +27.311 -1.392.6 +2close400 W vs 800 W: lower power handling · Xmax 11 mm < 12.3 mm: lower excursion-limited SPL+
TC Sounds EPIC 12 DVC v201224 +1.40.394 +0.0791.1 -9.912.5 +0.290.2 -0.4close500 W vs 800 W: lower power handling+
TC Sounds EPIC 12 DVC v201424 +1.40.394 +0.0791 -1012.2 -0.190.2 -0.4usable500 W vs 800 W: lower power handling · Xmax 12.2 mm < 12.3 mm: lower excursion-limited SPL+
Helix P1221.4 -1.20.302 -0.02118.6 +17.69.9 -2.491.4 +0.8usable350 W vs 800 W: lower power handling · Xmax 9.9 mm < 12.3 mm: lower excursion-limited SPL+
Mivoc XAW 320 HC22.6 =0.374 +0.05106 +58.4 -3.990.7 +0.1usable220 W vs 800 W: lower power handling · Xmax 8.4 mm < 12.3 mm: lower excursion-limited SPL+
TC Sounds EPIC 12 DVC v200924 +1.40.399 +0.0891.2 -9.811.7 -0.690.1 -0.5usable500 W vs 800 W: lower power handling · Xmax 11.7 mm < 12.3 mm: lower excursion-limited SPL+
Oxygen AIR2 300 vp22 -0.60.34 +0.0282 -199.6 -2.789.4 -1.2usable300 W vs 800 W: lower power handling · Xmax 9.6 mm < 12.3 mm: lower excursion-limited SPL+
Eminence LAB 12 |22 -0.60.38 +0.06125.2 +24.213 +0.789.2 -1.4usable6 Ω vs 4 Ω: amp load changes · 400 W vs 800 W: lower power handling+

Compare the closest 3 against the GZHW 30X →

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.