Focal 15PR75-275
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52.2 Hz |
| Qts | 0.32 |
| Qes | 0.331 |
| Qms | 10.05 |
| Vas | 127.9 L |
| Sd | 855 cm² |
| Xmax | 3.8 mm |
| Re | 6 Ω |
| Bl | 21 T·m |
| Mms | 74.5 g |
| Pe | 275 W |
| Sensitivity | 100.6 dB |
Alignment hint
| EBP | 158 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 32.9 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 |
|---|---|---|---|---|---|---|---|---|
| Peavey SP-15825 | 50.1 -2.1 | 0.326 +0.01 | 132.4 +4.5 | 3.1 -0.7 | 100.4 -0.2 | close | 200 W vs 275 W: lower power handling · Xmax 3.1 mm < 3.8 mm: lower excursion-limited SPL | + |
| B&C 15 PK 40 | 47 -5.2 | 0.31 -0.01 | 140 +12.1 | 4 +0.2 | 100.4 -0.2 | close | + | |
| Focal 15PR75-250 | 50.8 -1.4 | 0.369 +0.05 | 128.8 +0.9 | 4 +0.2 | 99.7 -0.9 | close | + | |
| 18 Sound 15CX1000 | 48 -4.2 | 0.304 -0.02 | 132.5 +4.6 | 6 +2.2 | 100.2 -0.4 | close | + | |
| Oberton 15LX400 | 48.8 -3.4 | 0.337 +0.02 | 140 +12.1 | 5.2 +1.4 | 100.2 -0.4 | close | + | |
| JB Systems 153431 SW 15 250 | 49 -3.2 | 0.309 -0.01 | 115.3 -12.6 | 4.1 +0.3 | 99 -1.6 | close | + | |
| Ciare PW380ND | 48.8 -3.4 | 0.34 +0.02 | 122 -5.9 | 3.5 -0.3 | 99.4 -1.2 | close | Xmax 3.5 mm < 3.8 mm: lower excursion-limited SPL | + |
| Audax PR380T4 | 49 -3.2 | 0.322 = | 107 -20.9 | 3.8 = | 99.1 -1.5 | close | + | |
| RCF CX15N251 | 55 +2.8 | 0.354 +0.03 | 136 +8.1 | 4.1 +0.3 | 101.7 +1.1 | close | + | |
| Electro-Voice DL15BFH | 45.6 -6.6 | 0.291 -0.03 | 127.4 -0.5 | 4.1 +0.3 | 100.1 -0.5 | close | + |
Compare the closest 3 against the 15PR75-275 →
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.