Jensen PUNCH BP 15/250
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 47 Hz |
| Qts | 0.503 |
| Qes | 0.57 |
| Qms | 4.26 |
| Vas | 133.1 L |
| Sd | 754.8 cm² |
| Xmax | 3.4 mm |
| Re | 6.6 Ω |
| Bl | 15.3 T·m |
| Mms | 68.8 g |
| Pe | 250 W |
| Sensitivity | 96.7 dB |
Alignment hint
| EBP | 82 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 136.3 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 |
|---|---|---|---|---|---|---|---|---|
| Jensen BP15/250 | 47 = | 0.503 = | 133.1 = | 3.4 = | 96.7 = | close | + | |
| Celestion TF1525E | 49.8 +2.8 | 0.5 = | 128.19 -4.91 | 3.5 +0.1 | 96.6 -0.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| LaVoce WSF152.50 | 46 -1 | 0.505 = | 137 +3.9 | 4.7 +1.3 | 97.3 +0.6 | close | + | |
| Celestion TF 1525E | 49.8 +2.8 | 0.493 -0.01 | 128.2 -4.9 | 3.5 +0.1 | 97.6 +0.9 | close | + | |
| Celestion TF 1525E 4 Ohms | 47.5 +0.5 | 0.473 -0.03 | 141 +7.9 | 3.5 +0.1 | 97.2 +0.5 | close | + | |
| Turbosound TS-15W300/8A | 46 -1 | 0.476 -0.03 | 130.2 -2.9 | 4.9 +1.5 | 97 +0.3 | close | + | |
| Beyma 15MCS500-8 | 46 -1 | 0.47 -0.03 | 133.5 +0.4 | 6.5 +3.1 | 97.5 +0.8 | close | + | |
| HH Electronics B15L | 48 +1 | 0.479 -0.02 | 151.7 +18.6 | 3.6 +0.2 | 97.8 +1.1 | close | 100 W vs 250 W: lower power handling | + |
| SICA P-A-PL15B3S | 46.5 -0.5 | 0.479 -0.02 | 139.8 +6.7 | 5.5 +2.1 | 98.3 +1.6 | close | + | |
| Beyma 15MCS500 | 46 -1 | 0.48 -0.02 | 134 +0.9 | 8 +4.6 | 98 +1.3 | close | + |
Compare the closest 3 against the PUNCH BP 15/250 →
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.