DAS Audio BI-30
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28 Hz |
| Qts | 0.145 |
| Qes | 0.163 |
| Qms | 1.285 |
| Vas | 283 L |
| Sd | 780 cm² |
| Xmax | 6.6 mm |
| Re | 5 Ω |
| Bl | 22.9 T·m |
| Mms | 97.4 g |
| Pe | 500 W |
| Sensitivity | 99.8 dB |
Alignment hint
| EBP | 172 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 12.4 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Cyrille Audio GM38ND100P V2 a | 32.7 +4.7 | 0.136 -0.01 | 257.2 -25.8 | 6.5 -0.1 | 102.3 +2.5 | usable | Xmax 6.5 mm < 6.6 mm: lower excursion-limited SPL | + |
| JBL E140 vp gilles | 28.4 +0.4 | 0.184 +0.04 | 328.2 +45.2 | 6 -0.6 | 99.2 -0.6 | usable | 300 W vs 500 W: lower power handling · Xmax 6 mm < 6.6 mm: lower excursion-limited SPL | + |
| RCF L 15L600 | 29 +1 | 0.166 +0.02 | 230 -53 | 6 -0.6 | 97.9 -1.9 | usable | Xmax 6 mm < 6.6 mm: lower excursion-limited SPL | + |
| Fane COLOSSUS 15B | 30 +2 | 0.156 +0.01 | 267 -16 | 4 -2.6 | 99.9 +0.1 | usable | 300 W vs 500 W: lower power handling · Xmax 4 mm < 6.6 mm: lower excursion-limited SPL | + |
| Beyma 15"P80Fe/N | 32 +4 | 0.18 +0.04 | 305 +22 | 7.5 +0.9 | 101 +1.2 | usable | + | |
| Beyma 15P80FE/N | 32 +4 | 0.184 +0.04 | 305 +22 | 8.8 +2.2 | 101 +1.2 | usable | + | |
| Beyma 15P80/ND v2015 | 33 +5 | 0.178 +0.03 | 250 -33 | 7.8 +1.2 | 100.9 +1.1 | usable | + | |
| STX W.38.800.4.MC | 27 -1 | 0.219 +0.07 | 272 -11 | 8 +1.4 | 99.9 +0.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Audax PR380M2 | 23.8 -4.2 | 0.151 +0.01 | 376 +93 | 5.5 -1.1 | 98.1 -1.7 | usable | 350 W vs 500 W: lower power handling · Xmax 5.5 mm < 6.6 mm: lower excursion-limited SPL | + |
| GOTO SG38WNS | 28.1 +0.1 | 0.154 +0.01 | 348.6 +65.6 | 4 -2.6 | 97.4 -2.4 | usable | 16 Ω vs 8 Ω: amp load changes · 200 W vs 500 W: lower power handling · Xmax 4 mm < 6.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the BI-30 →
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.