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Resonant Engineering XXX 12D1 vp

12" · 4 Ω · 1000 W · 92 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs27 Hz
Qts0.401
Qes0.44
Qms4.52
Vas56.5 L
Sd480 cm²
Xmax12.9 mm
Re2 Ω
Bl12.4 T·m
Mms198.6 g
Pe1000 W
Sensitivity92 dB

Alignment hint

EBP61 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 26.8 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
Earthquake Sound SUBZERO-1226.8 -0.20.424 +0.0258.1 +1.612.7 -0.286.2 -5.8close8 Ω vs 4 Ω: amp load changes · Xmax 12.7 mm < 12.9 mm: lower excursion-limited SPL+
JL Audio 12W7AE-327.2 +0.20.482 +0.0866 +9.513.7 +0.891.2 -0.8close+
MTX Audio TX61227 =0.393 -0.0142.7 -13.89.7 -3.291 -1usableXmax 9.7 mm < 12.9 mm: lower excursion-limited SPL+
Morel ULTIMO 12426 -10.421 +0.0273.8 +17.314.6 +1.789 -3usable+
Ground Zero GZRW 12XS-AL30 +30.395 -0.0152 -4.58.9 -490.4 -1.6usable600 W vs 1000 W: lower power handling · Xmax 8.9 mm < 12.9 mm: lower excursion-limited SPL+
Dayton Audio TS320D-4 TITANIC MK 428.3 +1.30.453 +0.0564.1 +7.69.8 -3.190.7 -1.3usable500 W vs 1000 W: lower power handling · Xmax 9.8 mm < 12.9 mm: lower excursion-limited SPL+
Dayton Audio RSS315HO-4420.9 -6.10.382 -0.0260.1 +3.611.5 -1.489.9 -2.1usable2 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling · Xmax 11.5 mm < 12.9 mm: lower excursion-limited SPL+
Aura Sound NS12-794-4A27 =0.423 +0.0278 +21.59.9 -390.9 -1.1usable400 W vs 1000 W: lower power handling · Xmax 9.9 mm < 12.9 mm: lower excursion-limited SPL+
Focal P30DB29.4 +2.40.427 +0.0356.8 +0.37.7 -5.293.7 +1.7usable2 Ω vs 4 Ω: amp load changes · 400 W vs 1000 W: lower power handling · Xmax 7.7 mm < 12.9 mm: lower excursion-limited SPL+
Alpine SWR-1241D28 +10.427 +0.0358 +1.56.9 -693 +1usable2 Ω vs 4 Ω: amp load changes · Xmax 6.9 mm < 12.9 mm: lower excursion-limited SPL+

Compare the closest 3 against the XXX 12D1 vp →

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.