JBL MI-15
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 55 Hz |
| Qts | 0.616 |
| Qes | 0.79 |
| Qms | 2.8 |
| Vas | 169.9 L |
| Sd | 896.1 cm² |
| Xmax | 3.4 mm |
| Re | 5.6 Ω |
| Bl | 11.7 T·m |
| Mms | 55.5 g |
| Pe | 150 W |
| Sensitivity | 99.1 dB |
Alignment hint
| EBP | 70 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 534.8 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion BL15-150 | 49 -6 | 0.593 -0.02 | 179.8 +9.9 | 4.3 +0.9 | 98.4 -0.7 | close | + | |
| Realistic PRO 250 vp | 47.3 -7.7 | 0.619 = | 196.6 +26.7 | 5.5 +2.1 | 97.9 -1.2 | close | + | |
| Audax PR380T0 | 52 -3 | 0.635 +0.02 | 130 -39.9 | 3.3 -0.1 | 97.1 -2 | usable | Xmax 3.3 mm < 3.4 mm: lower excursion-limited SPL | + |
| JBL 615H | 55 = | 0.603 -0.01 | 112 -57.9 | 3.7 +0.3 | 98.1 -1 | usable | + | |
| Celestion BN15-300X | 45.9 -9.1 | 0.603 -0.01 | 153.4 -16.5 | 4 +0.6 | 96.7 -2.4 | usable | + | |
| SICA LP385.50/1100WT8(Z008130) | 48 -7 | 0.65 +0.03 | 176.3 +6.4 | 3 -0.4 | 96 -3.1 | usable | Xmax 3 mm < 3.4 mm: lower excursion-limited SPL | + |
| Celestion 15 Professional Woofer - OEM | 46.9 -8.1 | 0.497 -0.12 | 175 +5.1 | 3.5 +0.1 | 98.8 -0.3 | usable | + | |
| Fane FC-152F01TC | 48 -7 | 0.7 +0.08 | 203 +33.1 | 3.5 +0.1 | 98.6 -0.5 | usable | + | |
| Fane SOVEREIGN 15-300TC | 48 -7 | 0.7 +0.08 | 203 +33.1 | 3.5 +0.1 | 98.6 -0.5 | usable | + | |
| 18 Sound 15W500 | 50 -5 | 0.52 -0.1 | 189 +19.1 | 4 +0.6 | 100.5 +1.4 | usable | + |
Compare the closest 3 against the MI-15 →
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.