Focal 15PR75-212
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.36 |
| Qes | 0.375 |
| Qms | 8.9 |
| Vas | 162 L |
| Sd | 855 cm² |
| Xmax | 4.4 mm |
| Re | 6 Ω |
| Bl | 19.6 T·m |
| Mms | 90.8 g |
| Pe | 212 W |
| Sensitivity | 98.3 dB |
Alignment hint
| EBP | 112 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 56.7 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 |
|---|---|---|---|---|---|---|---|---|
| P.Audio P150/2226 | 41 -1 | 0.366 +0.01 | 154.8 -7.2 | 5.5 +1.1 | 98.3 = | close | + | |
| Focal 15PR75-225 | 43.5 +1.5 | 0.351 -0.01 | 155 -7 | 4.3 -0.1 | 98.7 +0.4 | close | Xmax 4.3 mm < 4.4 mm: lower excursion-limited SPL | + |
| BMS 15N620 | 41 -1 | 0.35 -0.01 | 154 -8 | 5.5 +1.1 | 98 -0.3 | close | + | |
| BMS 15N620 v2015 | 41 -1 | 0.348 -0.01 | 154 -8 | 5.5 +1.1 | 98 -0.3 | close | + | |
| Eminence KAPPALITE 3015 LF | 42 = | 0.387 +0.03 | 158.8 -3.2 | 6.4 +2 | 98.3 = | close | + | |
| 18 Sound 15ND830 | 42 = | 0.34 -0.02 | 157 -5 | 6.5 +2.1 | 98 -0.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 15ND940 | 41 -1 | 0.36 = | 166 +4 | 9.5 +5.1 | 98.5 +0.2 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Eminence KAPPA 15 LFA vp1 | 40.9 -1.1 | 0.382 +0.02 | 159.1 -2.9 | 5.5 +1.1 | 97.8 -0.5 | close | + | |
| LaVoce NBASS15-30 | 42 = | 0.36 = | 143.06 -18.94 | 6.6 +2.2 | 98.5 +0.2 | close | + | |
| P.Audio 15BM-500B | 41 -1 | 0.374 +0.01 | 183.4 +21.4 | 4.8 +0.4 | 98.5 +0.2 | close | + |
Compare the closest 3 against the 15PR75-212 →
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.