AE Speakers IB15AU-4
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 20.4 Hz |
| Qts | 0.619 |
| Qes | 0.69 |
| Qms | 6 |
| Vas | 387 L |
| Sd | 830 cm² |
| Xmax | 9 mm |
| Re | 2.7 Ω |
| Bl | 8.7 T·m |
| Mms | 151.7 g |
| Pe | 500 W |
| Sensitivity | 93.5 dB |
Alignment hint
| EBP | 30 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1269.1 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 IB15AU-8 | 20.4 = | 0.619 = | 387 = | 9 = | 90.4 -3.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| MTX Audio T3154 | 22.7 +2.3 | 0.561 -0.06 | 315.9 -71.1 | 9.4 +0.4 | 93.8 +0.3 | close | 200 W vs 500 W: lower power handling | + |
| Visaton TIW400 DS 2x4 Ohms | 21 +0.6 | 0.787 +0.17 | 422 +35 | 15.6 +6.6 | 91.9 -1.6 | usable | 300 W vs 500 W: lower power handling | + |
| AE Speakers IB15HT 4 Ohms | 16 -4.4 | 0.7 +0.08 | 440 +53 | 9 = | 90.3 -3.2 | usable | 300 W vs 500 W: lower power handling | + |
| Blaupunkt VELOCITY VRS15 | 21 +0.6 | 0.499 -0.12 | 291 -96 | 7.5 -1.5 | 93.1 -0.4 | usable | Xmax 7.5 mm < 9 mm: lower excursion-limited SPL | + |
| AE Speakers SBP15-8 | 21.3 +0.9 | 0.432 -0.19 | 364 -23 | 14 +5 | 92.3 -1.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| AE Speakers SBP15-4 | 21.3 +0.9 | 0.432 -0.19 | 364 -23 | 14 +5 | 95.4 +1.9 | usable | + | |
| Dayton Audio IB385-8 | 21.5 +1.1 | 0.588 -0.03 | 248.9 -138.1 | 12.4 +3.4 | 89.8 -3.7 | usable | 8 Ω vs 4 Ω: amp load changes · 350 W vs 500 W: lower power handling | + |
| Supravox 400-2000EXC_07V | 25 +4.6 | 0.599 -0.02 | 444 +57 | 5 -4 | 93.3 -0.2 | usable | 8 Ω vs 4 Ω: amp load changes · 120 W vs 500 W: lower power handling · Xmax 5 mm < 9 mm: lower excursion-limited SPL | + |
| AE Speakers IB15HT-8 | 16 -4.4 | 0.7 +0.08 | 440 +53 | 9 = | 87.2 -6.3 | usable | 8 Ω vs 4 Ω: amp load changes · 300 W vs 500 W: lower power handling | + |
Compare the closest 3 against the IB15AU-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.