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Hertz Audio HX 250

10" · 4 Ω · 450 W · 85.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size10"
Impedance4 Ω
Fs37 Hz
Qts0.44
Qes0.49
Qms4.7
Vas24 L
Sd344 cm²
Xmax14 mm
Re2.8 Ω
Bl13.2 T·m
Mms129 g
Pe450 W
Sensitivity85.8 dB

Alignment hint

EBP76 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 15.2 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
Gladen RS-X 1035.57 -1.430.46 +0.0227.8 +3.810 -485.9 +0.1usable300 W vs 450 W: lower power handling · Xmax 10 mm < 14 mm: lower excursion-limited SPL+
American Bass DX 1036.1 -0.90.486 +0.0520.7 -3.312 -284.4 -1.4usable250 W vs 450 W: lower power handling · Xmax 12 mm < 14 mm: lower excursion-limited SPL+
Gladen SQX 1038.8 +1.80.39 -0.0524.5 +0.510 -487.1 +1.3usable350 W vs 450 W: lower power handling · Xmax 10 mm < 14 mm: lower excursion-limited SPL+
Infinity KAPPA 100.933.8 -3.20.44 =18.05 -5.9517.5 +3.583 -2.8usable350 W vs 450 W: lower power handling+
JL Audio 10W3V3-233 -40.495 +0.0532.17 +8.1714 =85.37 -0.43usable2 Ω vs 4 Ω: amp load changes+
Polk Audio MM10035 -20.46 +0.0222.1 -1.98.7 -5.384.7 -1.1usableXmax 8.7 mm < 14 mm: lower excursion-limited SPL+
JL Audio 10W3V3-431.5 -5.50.485 +0.0432.23 +8.2314 =84.87 -0.93usable+
Audison AV 1041 +40.54 +0.130 +614 =86.8 +1usable+
Brax BRAX MATRIX ML1035 -20.46 +0.0240 +1612.5 -1.587.3 +1.5usableXmax 12.5 mm < 14 mm: lower excursion-limited SPL+
Brax MATRIX 10.135.8 -1.20.53 +0.0935.34 +11.3412.5 -1.586.5 +0.7usableXmax 12.5 mm < 14 mm: lower excursion-limited SPL+

Compare the closest 3 against the HX 250 →

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.