B&C 15 PS 40
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35 Hz |
| Qts | 0.318 |
| Qes | 0.33 |
| Qms | 8.5 |
| Vas | 177 L |
| Sd | 855 cm² |
| Xmax | 6 mm |
| Re | 5.3 Ω |
| Bl | 20.6 T·m |
| Mms | 119.7 g |
| Pe | 700 W |
| Sensitivity | 97.4 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 44.9 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence KAPPA PRO 15 LF v2 | 35 = | 0.31 -0.01 | 172.5 -4.5 | 8.7 +2.7 | 96.8 -0.6 | close | + | |
| PHL Audio 5102 | 36 +1 | 0.306 -0.01 | 190 +13 | 6.1 +0.1 | 97.8 +0.4 | close | 400 W vs 700 W: lower power handling | + |
| JBL 2265 HPL | 37 +2 | 0.325 +0.01 | 176 -1 | 8 +2 | 97.9 +0.5 | close | + | |
| Fane COLOSSUS 15XB v2012 | 38 +3 | 0.322 = | 168 -9 | 7.5 +1.5 | 97.3 -0.1 | close | + | |
| Eminence KAPPA PRO 15 LF-2 | 35 = | 0.307 -0.01 | 198.8 +21.8 | 8.2 +2.2 | 97.1 -0.3 | close | + | |
| Eminence Kappa Pro-15LF | 35 = | 0.3 -0.02 | 198.8 +21.8 | 6.7 +0.7 | 97.8 +0.4 | close | + | |
| 18 Sound 15NLW9500 | 35 = | 0.32 = | 163 -14 | 9 +3 | 96 -1.4 | close | + | |
| Beyma 15G400 | 35 = | 0.271 -0.05 | 175 -2 | 6.1 +0.1 | 97.5 +0.1 | close | 400 W vs 700 W: lower power handling | + |
| DAS Audio 15S | 35 = | 0.287 -0.03 | 188 +11 | 8 +2 | 97.4 = | close | + | |
| Faital PRO 15FH500 | 35 = | 0.31 -0.01 | 199.2 +22.2 | 9.25 +3.25 | 98 +0.6 | close | 500 W vs 700 W: lower power handling | + |
Compare the closest 3 against the 15 PS 40 →
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.