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RE Audio REX 10 S4

10" · 4 Ω · 200 W · 84.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size10"
Impedance4 Ω
Fs24.35 Hz
Qts0.45
Qes0.492
Qms6.1
Vas57.2278 L
Sd366 cm²
Xmax15 mm
Re3.8 Ω
Bl13 T·m
Mms142.35 g
Pe200 W
Sensitivity84.1 dB

Alignment hint

EBP49 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 39 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
AE Speakers SBP10-823.9 -0.450.47 +0.0268.2 +10.9714 -186.1 +2close8 Ω vs 4 Ω: amp load changes · Xmax 14 mm < 15 mm: lower excursion-limited SPL+
AE Speakers IB10AU-825 +0.650.485 +0.0368 +10.7715.3 +0.386.4 +2.3close8 Ω vs 4 Ω: amp load changes+
CSS Audio SDX1026 +1.650.421 -0.0353 -4.2316.2 +1.288.5 +4.4usable+
Dayton Audio RSS265HF-8 v201824.9 +0.550.485 +0.0352.5 -4.739.4 -5.684.3 +0.2usable8 Ω vs 4 Ω: amp load changes · Xmax 9.4 mm < 15 mm: lower excursion-limited SPL+
JL Audio 10W1V3-225.23 +0.880.436 -0.0144.15 -13.0811 -483.9 -0.2usable2 Ω vs 4 Ω: amp load changes · Xmax 11 mm < 15 mm: lower excursion-limited SPL+
JL Audio 10W1V3-426.15 +1.80.446 =43.41 -13.8211 -484.2 +0.1usableXmax 11 mm < 15 mm: lower excursion-limited SPL+
AE Speakers IB10AU-425 +0.650.485 +0.0368 +10.7715.3 +0.389.5 +5.4usable+
Dayton Audio RSS265HF-4 v202225.6 +1.250.452 =54 -3.2310.5 -4.588.3 +4.2usableXmax 10.5 mm < 15 mm: lower excursion-limited SPL+
Dayton Audio RSS265HF-824.9 +0.550.497 +0.0551.6 -5.639.4 -5.684.3 +0.2usable8 Ω vs 4 Ω: amp load changes · Xmax 9.4 mm < 15 mm: lower excursion-limited SPL+
JL Audio 10W1V2-826.5 +2.150.438 -0.0149.1009 -8.139.906 -5.0984.7 +0.6usable8 Ω vs 4 Ω: amp load changes · Xmax 9.906 mm < 15 mm: lower excursion-limited SPL+

Compare the closest 3 against the REX 10 S4 →

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.