LII Audio F-15
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49.6 Hz |
| Qts | 0.706 |
| Qes | 0.78 |
| Qms | 7.45 |
| Vas | 178.5 L |
| Sd | 938.2 cm² |
| Xmax | 2 mm |
| Re | 6.56 Ω |
| Bl | 13.7 T·m |
| Mms | 71.2 g |
| Pe | 40 W |
| Sensitivity | 97.3 dB |
Alignment hint
| EBP | 64 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 56886.7 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 |
|---|---|---|---|---|---|---|---|---|
| SICA LP385.50/1100WT8(Z008130) | 48 -1.6 | 0.65 -0.06 | 176.3 -2.2 | 3 +1 | 96 -1.3 | close | + | |
| Celestion TRUVOX 1520 | 51.7 +2.1 | 0.754 +0.05 | 157.7 -20.8 | 3 +1 | 97.4 +0.1 | close | + | |
| Fane FC-152F01TC | 48 -1.6 | 0.7 -0.01 | 203 +24.5 | 3.5 +1.5 | 98.6 +1.3 | close | + | |
| Fane SOVEREIGN 15-300TC | 48 -1.6 | 0.7 -0.01 | 203 +24.5 | 3.5 +1.5 | 98.6 +1.3 | close | + | |
| Celestion TF 1525 | 46 -3.6 | 0.637 -0.07 | 162.1 -16.4 | 2.5 +0.5 | 97.2 -0.1 | close | + | |
| Fane CLASSIC 15-150 | 45 -4.6 | 0.74 +0.03 | 158 -20.5 | 2.5 +0.5 | 95.3 -2 | close | + | |
| Celestion BL15-150 | 49 -0.6 | 0.593 -0.11 | 179.8 +1.3 | 4.3 +2.3 | 98.4 +1.1 | close | + | |
| Celestion TF 1525 v2020 | 47 -2.6 | 0.594 -0.11 | 152.5 -26 | 2.5 +0.5 | 97.6 +0.3 | usable | + | |
| Realistic PRO 250 vp | 47.3 -2.3 | 0.619 -0.09 | 196.6 +18.1 | 5.5 +3.5 | 97.9 +0.6 | usable | + | |
| JBL MI-15 | 55 +5.4 | 0.616 -0.09 | 169.9 -8.6 | 3.4 +1.4 | 99.1 +1.8 | usable | + |
Compare the closest 3 against the F-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.