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AE Speakers IB12AU-4

12" · 4 Ω · 500 W · 92.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs24 Hz
Qts0.511
Qes0.59
Qms3.8
Vas160 L
Sd530 cm²
Xmax15.9 mm
Re2.7 Ω
Bl8.6 T·m
Mms108.2 g
Pe500 W
Sensitivity92.4 dB

Alignment hint

EBP41 · sealed
Sealed Vb (Qtc ≈ 0.71)≈ 174.9 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 SBP12-823.6 -0.40.479 -0.03160 =14 -1.989.5 -2.9close8 Ω vs 4 Ω: amp load changes · Xmax 14 mm < 15.9 mm: lower excursion-limited SPL+
Ground Zero GZTW 12MK2 vp22.5 -1.50.484 -0.03148.6 -11.414.7 -1.289.9 -2.5close8 Ω vs 4 Ω: amp load changes · Xmax 14.7 mm < 15.9 mm: lower excursion-limited SPL+
SB Acoustics SB34NRX75-6 vp fx22.9 -1.10.496 -0.02181.3 +21.311 -4.990.6 -1.8usable8 Ω vs 4 Ω: amp load changes · 200 W vs 500 W: lower power handling · Xmax 11 mm < 15.9 mm: lower excursion-limited SPL+
Adire Audio SHIVA MK I - DVC Parall&egrave;le23 -10.386 -0.12163 +314 -1.993.4 +1usable350 W vs 500 W: lower power handling · Xmax 14 mm < 15.9 mm: lower excursion-limited SPL+
Adire Audio SHIVA MK II - DVC Parall&egrave;le22 -20.385 -0.13158 -214.1 -1.892.7 +0.3usable350 W vs 500 W: lower power handling · Xmax 14.1 mm < 15.9 mm: lower excursion-limited SPL+
Peerless XXLS308 SWR 5121.5 -2.50.448 -0.06162.5 +2.511.5 -4.488.7 -3.7usable8 Ω vs 4 Ω: amp load changes · 175 W vs 500 W: lower power handling · Xmax 11.5 mm < 15.9 mm: lower excursion-limited SPL+
Dayton Audio 12 DVC25 +10.347 -0.16147.3 -12.715.5 -0.494 +1.6usableXmax 15.5 mm < 15.9 mm: lower excursion-limited SPL+
Blaupunkt VCS 120023 -10.487 -0.02102 -5813 -2.989.9 -2.5usableXmax 13 mm < 15.9 mm: lower excursion-limited SPL+
JL Audio 12W1-824 =0.49 -0.02177.29 +17.297.874 -8.0388.6 -3.8usable8 Ω vs 4 Ω: amp load changes · 125 W vs 500 W: lower power handling · Xmax 7.874 mm < 15.9 mm: lower excursion-limited SPL+
NHT MAD125920.1 -3.90.576 +0.06195.1 +35.113 -2.989.3 -3.1usable200 W vs 500 W: lower power handling · Xmax 13 mm < 15.9 mm: lower excursion-limited SPL+

Compare the closest 3 against the IB12AU-4 →

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.