B&C 15 PE 40
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 44 Hz |
| Qts | 0.27 |
| Qes | 0.285 |
| Qms | 5.3 |
| Vas | 205 L |
| Sd | 855 cm² |
| Xmax | 3 mm |
| Re | 5.5 Ω |
| Bl | 18.7 T·m |
| Mms | 65.4 g |
| Pe | 250 W |
| Sensitivity | 101.5 dB |
Alignment hint
| EBP | 154 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 35 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 15M300 | 45 +1 | 0.271 = | 220 +15 | 3.5 +0.5 | 101.6 +0.1 | close | + | |
| Audax PR38LXT250 | 43.5 -0.5 | 0.273 = | 193 -12 | 4 +1 | 100.8 -0.7 | close | + | |
| 18 Sound 15MB650 | 40 -4 | 0.26 -0.01 | 210 +5 | 4 +1 | 101.5 = | close | + | |
| Electro-Voice EVM-15BII | 43 -1 | 0.293 +0.02 | 225 +20 | 3.3 +0.3 | 101.6 +0.1 | close | + | |
| JBL M151-8 | 45 +1 | 0.256 -0.01 | 198.2 -6.8 | 4.4 +1.4 | 102.5 +1 | close | + | |
| Electro-Voice EVM-15B | 43 -1 | 0.297 +0.03 | 225 +20 | 3.3 +0.3 | 101.5 = | close | + | |
| Oberton 15L400 | 43.25 -0.75 | 0.287 +0.02 | 229.9 +24.9 | 3.25 +0.25 | 102.5 +1 | close | + | |
| PHL Audio 5380 | 44 = | 0.278 +0.01 | 180 -25 | 4.4 +1.4 | 100.5 -1 | close | + | |
| Electro-Voice DL15ST | 42 -2 | 0.281 +0.01 | 195 -10 | 4.1 +1.1 | 100.1 -1.4 | close | + | |
| Electro-Voice DL15X v2 | 42 -2 | 0.281 +0.01 | 195 -10 | 4.1 +1.1 | 100.1 -1.4 | close | + |
Compare the closest 3 against the 15 PE 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.