Focal 38KXSPL
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 45.8 Hz |
| Qts | 0.55 |
| Qes | 0.57 |
| Qms | 15.3 |
| Vas | 116.4 L |
| Sd | 829.6 cm² |
| Xmax | 5.5 mm |
| Re | 3.9 Ω |
| Bl | 14 T·m |
| Mms | 100.3 g |
| Pe | 500 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 80 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 178.3 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 |
|---|---|---|---|---|---|---|---|---|
| DAP Audio AB-15 | 46.7 +0.9 | 0.546 = | 122.3 +5.9 | 5.5 = | 95.4 -2.6 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence KAPPALITE 3015 LF-4 | 47 +1.2 | 0.468 -0.08 | 118.6 +2.2 | 5.7 +0.2 | 99.2 +1.2 | close | + | |
| Beyma 15MCS500 | 46 +0.2 | 0.48 -0.07 | 134 +17.6 | 8 +2.5 | 98 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| SICA P-A-PL15B3S | 46.5 +0.7 | 0.479 -0.07 | 139.8 +23.4 | 5.5 = | 98.3 +0.3 | close | 8 Ω vs 4 Ω: amp load changes · 350 W vs 500 W: lower power handling | + |
| Beyma 15MCS500-8 | 46 +0.2 | 0.47 -0.08 | 133.5 +17.1 | 6.5 +1 | 97.5 -0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| LaVoce WSF152.50 | 46 +0.2 | 0.505 -0.05 | 137 +20.6 | 4.7 -0.8 | 97.3 -0.7 | close | 8 Ω vs 4 Ω: amp load changes · 250 W vs 500 W: lower power handling · Xmax 4.7 mm < 5.5 mm: lower excursion-limited SPL | + |
| MCM Electronics 55-3243 | 43.6 -2.2 | 0.465 -0.09 | 127.5 +11.1 | 6.2 +0.7 | 98.5 +0.5 | close | + | |
| Eminence DEFINIMAX 4015 LF | 42 -3.8 | 0.5 -0.05 | 115.5 -0.9 | 9 +3.5 | 96 -2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Beyma 15CM V2 | 49 +3.2 | 0.49 -0.06 | 104 -12.4 | 7 +1.5 | 97 -1 | close | 8 Ω vs 4 Ω: amp load changes · 350 W vs 500 W: lower power handling | + |
| Turbosound TS-15W300/8A | 46 +0.2 | 0.476 -0.07 | 130.2 +13.8 | 4.9 -0.6 | 97 -1 | close | 8 Ω vs 4 Ω: amp load changes · 300 W vs 500 W: lower power handling · Xmax 4.9 mm < 5.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 38KXSPL →
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.