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Audio System HX12 SQ

12" · 4 Ω · 450 W · 86.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs28.2 Hz
Qts0.5
Qes0.57
Qms4.4
Vas68 L
Sd507 cm²
Xmax11.8 mm
Re3.1 Ω
Bl13.1 T·m
Mms150 g
Pe450 W
Sensitivity86.1 dB

Alignment hint

EBP49 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 68 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Infinity KAPPA 1200W26.5 -1.70.496 =64.47 -3.5312.75 +0.9585.1 -1close2 Ω vs 4 Ω: amp load changes+
Audiomobile ELITE 221228 -0.20.48 -0.0259.46 -8.5412.7 +0.985.8 -0.3close+
JL Audio 12W1V3-226.55 -1.650.52 +0.0272 +411 -0.885.9 -0.2close2 Ω vs 4 Ω: amp load changes · 300 W vs 450 W: lower power handling · Xmax 11 mm < 11.8 mm: lower excursion-limited SPL+
JL Audio 12W1V3-426.21 -1.990.5 =76.63 +8.6311 -0.886.1 =close300 W vs 450 W: lower power handling · Xmax 11 mm < 11.8 mm: lower excursion-limited SPL+
Alpine SWA-12S430 +1.80.49 -0.0167.79 -0.2110 -1.887.2 +1.1close250 W vs 450 W: lower power handling · Xmax 10 mm < 11.8 mm: lower excursion-limited SPL+
Infinity PRIMUS 127029.7 +1.50.49 -0.0175.7 +7.711.3 -0.587.3 +1.2close300 W vs 450 W: lower power handling · Xmax 11.3 mm < 11.8 mm: lower excursion-limited SPL+
Sound Storm Labs CR12D30.7 +2.50.522 +0.0266.9 -1.110.3 -1.587.5 +1.4close8 Ω vs 4 Ω: amp load changes · Xmax 10.3 mm < 11.8 mm: lower excursion-limited SPL+
Powerbass S-1204D31 +2.80.5 =65 -39.5 -2.387.2 +1.1close300 W vs 450 W: lower power handling · Xmax 9.5 mm < 11.8 mm: lower excursion-limited SPL+
Rockford Fosgate P3D4-1227.7 -0.50.517 +0.0257.7 -10.39.4 -2.486.3 +0.2close8 Ω vs 4 Ω: amp load changes · Xmax 9.4 mm < 11.8 mm: lower excursion-limited SPL+
JL Audio 12W7AE-327.2 -10.482 -0.0266 -213.7 +1.991.2 +5.1close+

Compare the closest 3 against the HX12 SQ →

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.