← all drivers

Morel ULTIMO 124

12" · 4 Ω · 1000 W · 89 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs26 Hz
Qts0.421
Qes0.56
Qms1.69
Vas73.8 L
Sd448 cm²
Xmax14.6 mm
Re3.7 Ω
Bl12.4 T·m
Mms142.9 g
Pe1000 W
Sensitivity89 dB

Alignment hint

EBP46 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 40.5 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
Ground Zero GZUW 300SQ25.3 -0.70.423 =86.6 +12.812.9 -1.788 -1close8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling · Xmax 12.9 mm < 14.6 mm: lower excursion-limited SPL+
JL Audio 12W6V2-D425 -10.45 +0.0379.9 +6.112.7 -1.986.9 -2.1close8 Ω vs 4 Ω: amp load changes · 600 W vs 1000 W: lower power handling · Xmax 12.7 mm < 14.6 mm: lower excursion-limited SPL+
Aura Sound NS12-794-4A27 +10.423 =78 +4.29.9 -4.790.9 +1.9close400 W vs 1000 W: lower power handling · Xmax 9.9 mm < 14.6 mm: lower excursion-limited SPL+
JL Audio 12W3V3-426.7 +0.70.446 +0.0380.6 +6.810.9 -3.790.6 +1.6close500 W vs 1000 W: lower power handling · Xmax 10.9 mm < 14.6 mm: lower excursion-limited SPL+
RE Audio XXX12-V2-421 -50.404 -0.0273.9 +0.113.5 -1.186.5 -2.5usable8 Ω vs 4 Ω: amp load changes · Xmax 13.5 mm < 14.6 mm: lower excursion-limited SPL+
JL Audio 12W7AE-327.2 +1.20.482 +0.0666 -7.813.7 -0.991.2 +2.2usableXmax 13.7 mm < 14.6 mm: lower excursion-limited SPL+
Earthquake Sound SUBZERO-1226.8 +0.80.424 =58.1 -15.712.7 -1.986.2 -2.8usable8 Ω vs 4 Ω: amp load changes · Xmax 12.7 mm < 14.6 mm: lower excursion-limited SPL+
Dayton Audio TIT320C-4 Titanic Mk III24.9 -1.10.458 +0.0464.3 -9.510.5 -4.189.2 +0.2usable500 W vs 1000 W: lower power handling · Xmax 10.5 mm < 14.6 mm: lower excursion-limited SPL+
Gladen ZERO 12 PRO27 +10.38 -0.0493.72 +19.9212.5 -2.188.5 -0.5usable500 W vs 1000 W: lower power handling · Xmax 12.5 mm < 14.6 mm: lower excursion-limited SPL+
TC Sounds EPIC 12 DVC v201224 -20.394 -0.0391.1 +17.312.5 -2.190.2 +1.2usable500 W vs 1000 W: lower power handling · Xmax 12.5 mm < 14.6 mm: lower excursion-limited SPL+

Compare the closest 3 against the ULTIMO 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.