AE Speakers IB12AU-4
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 24 Hz |
| Qts | 0.511 |
| Qes | 0.59 |
| Qms | 3.8 |
| Vas | 160 L |
| Sd | 530 cm² |
| Xmax | 15.9 mm |
| Re | 2.7 Ω |
| Bl | 8.6 T·m |
| Mms | 108.2 g |
| Pe | 500 W |
| Sensitivity | 92.4 dB |
Alignment hint
| EBP | 41 · 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
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| AE Speakers SBP12-8 | 23.6 -0.4 | 0.479 -0.03 | 160 = | 14 -1.9 | 89.5 -2.9 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 14 mm < 15.9 mm: lower excursion-limited SPL | + |
| Ground Zero GZTW 12MK2 vp | 22.5 -1.5 | 0.484 -0.03 | 148.6 -11.4 | 14.7 -1.2 | 89.9 -2.5 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 14.7 mm < 15.9 mm: lower excursion-limited SPL | + |
| SB Acoustics SB34NRX75-6 vp fx | 22.9 -1.1 | 0.496 -0.02 | 181.3 +21.3 | 11 -4.9 | 90.6 -1.8 | usable | 8 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 Parallèle | 23 -1 | 0.386 -0.12 | 163 +3 | 14 -1.9 | 93.4 +1 | usable | 350 W vs 500 W: lower power handling · Xmax 14 mm < 15.9 mm: lower excursion-limited SPL | + |
| Adire Audio SHIVA MK II - DVC Parallèle | 22 -2 | 0.385 -0.13 | 158 -2 | 14.1 -1.8 | 92.7 +0.3 | usable | 350 W vs 500 W: lower power handling · Xmax 14.1 mm < 15.9 mm: lower excursion-limited SPL | + |
| Peerless XXLS308 SWR 51 | 21.5 -2.5 | 0.448 -0.06 | 162.5 +2.5 | 11.5 -4.4 | 88.7 -3.7 | usable | 8 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 DVC | 25 +1 | 0.347 -0.16 | 147.3 -12.7 | 15.5 -0.4 | 94 +1.6 | usable | Xmax 15.5 mm < 15.9 mm: lower excursion-limited SPL | + |
| Blaupunkt VCS 1200 | 23 -1 | 0.487 -0.02 | 102 -58 | 13 -2.9 | 89.9 -2.5 | usable | Xmax 13 mm < 15.9 mm: lower excursion-limited SPL | + |
| JL Audio 12W1-8 | 24 = | 0.49 -0.02 | 177.29 +17.29 | 7.874 -8.03 | 88.6 -3.8 | usable | 8 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 MAD1259 | 20.1 -3.9 | 0.576 +0.06 | 195.1 +35.1 | 13 -2.9 | 89.3 -3.1 | usable | 200 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.