Focal 10K 515
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 31.5 Hz |
| Qts | 0.353 |
| Qes | 0.37 |
| Qms | 7.73 |
| Vas | 145.1 L |
| Sd | 360 cm² |
| Xmax | 5.3 mm |
| Re | 7.8 Ω |
| Bl | 11.5 T·m |
| Mms | 32 g |
| Pe | 100 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 85 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 48.2 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 |
|---|---|---|---|---|---|---|---|---|
| Focal 10K 516 | 27.8 -3.7 | 0.348 -0.01 | 157 +11.9 | 7.5 +2.2 | 93.3 +0.3 | close | + | |
| Visaton W250S | 31 -0.5 | 0.401 +0.05 | 140 -5.1 | 7 +1.7 | 92.2 -0.8 | close | + | |
| JBL 127H-1 | 31 -0.5 | 0.357 = | 112 -33.1 | 5 -0.3 | 92.7 -0.3 | close | 50 W vs 100 W: lower power handling · Xmax 5 mm < 5.3 mm: lower excursion-limited SPL | + |
| Visaton W250S-4 | 33 +1.5 | 0.354 = | 135 -10.1 | 7 +1.7 | 96 +3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 10"BR60 V2 | 29 -2.5 | 0.39 +0.04 | 142 -3.1 | 6.5 +1.2 | 92 -1 | close | + | |
| Beyma 10BR60 V2 v2023 | 29 -2.5 | 0.388 +0.04 | 142 -3.1 | 6.5 +1.2 | 91.8 -1.2 | close | + | |
| SEAS CA26RFX | 29 -2.5 | 0.337 -0.02 | 129 -16.1 | 7 +1.7 | 92 -1 | close | + | |
| Focal 11C 726 | 30.9 -0.6 | 0.378 +0.03 | 120 -25.1 | 6.9 +1.6 | 92.4 -0.6 | close | + | |
| Visaton W250S-8 | 31 -0.5 | 0.323 -0.03 | 121 -24.1 | 6.5 +1.2 | 92.5 -0.5 | close | + | |
| Visaton W250S v2 | 31 -0.5 | 0.323 -0.03 | 121 -24.1 | 6.5 +1.2 | 92.5 -0.5 | close | + |
Compare the closest 3 against the 10K 515 →
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.