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CSS Audio SDX12 DVC

12" · 4 Ω · 800 W · 87.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs21.3 Hz
Qts0.375
Qes0.414
Qms3.962
Vas67.5 L
Sd491 cm²
Xmax13.4 mm
Re3.7 Ω
Bl18.3 T·m
Mms279.5 g
Pe800 W
Sensitivity87.3 dB

Alignment hint

EBP51 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 26.4 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
RE Audio XXX12-V2-421 -0.30.404 +0.0373.9 +6.413.5 +0.186.5 -0.8close8 Ω vs 4 Ω: amp load changes+
Dayton Audio RSS315HO-44 v201621.5 +0.20.369 -0.0161.3 -6.211.3 -2.184.6 -2.7close8 Ω vs 4 Ω: amp load changes · Xmax 11.3 mm < 13.4 mm: lower excursion-limited SPL+
Dayton Audio RSS315HO-4420.9 -0.40.382 +0.0160.1 -7.411.5 -1.989.9 +2.6close2 Ω vs 4 Ω: amp load changes · Xmax 11.5 mm < 13.4 mm: lower excursion-limited SPL+
Infinity REFERENCE 1260W23.5 +2.20.39 +0.0283 +15.513 -0.486 -1.3close300 W vs 800 W: lower power handling · Xmax 13 mm < 13.4 mm: lower excursion-limited SPL+
Oxygen AIR2 300 v201522.7 +1.40.388 +0.0178 +10.59.9 -3.589.1 +1.8usable300 W vs 800 W: lower power handling · Xmax 9.9 mm < 13.4 mm: lower excursion-limited SPL+
Eclipse 8712.820 -1.30.39 +0.0284.95 +17.4518.5 +5.184.1 -3.2usable8 Ω vs 4 Ω: amp load changes · 200 W vs 800 W: lower power handling+
Morel ULTIMO 12426 +4.70.421 +0.0573.8 +6.314.6 +1.289 +1.7usable+
Rockford Fosgate RFR221224 +2.70.376 =93 +25.513 -0.490.5 +3.2usableXmax 13 mm < 13.4 mm: lower excursion-limited SPL+
JL Audio 12W6V2-D425 +3.70.45 +0.0879.9 +12.412.7 -0.786.9 -0.4usable8 Ω vs 4 Ω: amp load changes · 600 W vs 800 W: lower power handling · Xmax 12.7 mm < 13.4 mm: lower excursion-limited SPL+
Alpine SWG-124428 +6.70.38 +0.0175 +7.510 -3.487.7 +0.4usable250 W vs 800 W: lower power handling · Xmax 10 mm < 13.4 mm: lower excursion-limited SPL+

Compare the closest 3 against the SDX12 DVC →

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.