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Soundstream STEALTH-124

12" · 8 Ω · 350 W · 84.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs29.98 Hz
Qts0.687
Qes0.81
Qms4.53
Vas59.5 L
Sd487 cm²
Xmax13 mm
Re7.24 Ω
Bl16.38 T·m
Mms159.37 g
Pe350 W
Sensitivity84.8 dB

Alignment hint

EBP37 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 1001.8 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
Alpine SWE-124231 +1.020.66 -0.0361 +1.511.7 -1.385.9 +1.1close4 Ω vs 8 Ω: amp load changes · 250 W vs 350 W: lower power handling · Xmax 11.7 mm < 13 mm: lower excursion-limited SPL+
JL Audio 12W0V3-432.09 +2.110.67 -0.0271.64 +12.1411.4 -1.685.64 +0.84close4 Ω vs 8 Ω: amp load changes · Xmax 11.4 mm < 13 mm: lower excursion-limited SPL+
Rockford Fosgate T1D41229.2 -0.780.613 -0.0755.8 -3.710.9 -2.185.8 +1closeXmax 10.9 mm < 13 mm: lower excursion-limited SPL+
Pioneer TS-W251R28.9 -1.080.68 -0.0157.86 -1.647.8 -5.284.6 -0.2close4 Ω vs 8 Ω: amp load changes · 120 W vs 350 W: lower power handling · Xmax 7.8 mm < 13 mm: lower excursion-limited SPL+
Alpine SWE-124131 +1.020.653 -0.0361 +1.511.3 -1.789.6 +4.8usable4 Ω vs 8 Ω: amp load changes · Xmax 11.3 mm < 13 mm: lower excursion-limited SPL+
Infinity Kappa 123WDSSI 2Ohm34.2 +4.220.778 +0.0958.6153 -0.8810.2 -2.886.0429 +1.24usable2 Ω vs 8 Ω: amp load changes · Xmax 10.2 mm < 13 mm: lower excursion-limited SPL+
Audiomobile ELITE 221228 -1.980.48 -0.2159.46 -0.0412.7 -0.385.8 +1usable4 Ω vs 8 Ω: amp load changes · Xmax 12.7 mm < 13 mm: lower excursion-limited SPL+
JL Audio 12W0V3-428.4 -1.580.67 -0.0271.6 +12.19.3 -3.788.3 +3.5usableXmax 9.3 mm < 13 mm: lower excursion-limited SPL+
Infinity KAPPA 1200W26.5 -3.480.496 -0.1964.47 +4.9712.75 -0.2585.1 +0.3usable2 Ω vs 8 Ω: amp load changes · Xmax 12.75 mm < 13 mm: lower excursion-limited SPL+
Cerwin-Vega VEGA 12430.3 +0.320.612 -0.0860.3 +0.87 -686.4 +1.6usableXmax 7 mm < 13 mm: lower excursion-limited SPL+

Compare the closest 3 against the STEALTH-124 →

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.