SICA 15 BP 2.5 CS
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 46.4 Hz |
| Qts | 0.499 |
| Qes | 0.59 |
| Qms | 3.24 |
| Vas | 167.9 L |
| Sd | 754.7 cm² |
| Xmax | 2.5 mm |
| Re | 6.77 Ω |
| Bl | 13.7 T·m |
| Mms | 55.9 g |
| Pe | 250 W |
| Sensitivity | 97.2 dB |
Alignment hint
| EBP | 79 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 166.6 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion 15 Professional Woofer - OEM | 46.9 +0.5 | 0.497 = | 175 +7.1 | 3.5 +1 | 98.8 +1.6 | close | 150 W vs 250 W: lower power handling | + |
| HH Electronics B15L | 48 +1.6 | 0.479 -0.02 | 151.7 -16.2 | 3.6 +1.1 | 97.8 +0.6 | close | 100 W vs 250 W: lower power handling | + |
| Celestion G15Z-200 CE | 45 -1.4 | 0.497 = | 190.1 +22.2 | 4 +1.5 | 98.4 +1.2 | close | + | |
| Jensen BP15/250 | 47 +0.6 | 0.503 = | 133.1 -34.8 | 3.4 +0.9 | 96.7 -0.5 | close | + | |
| Jensen PUNCH BP 15/250 | 47 +0.6 | 0.503 = | 133.1 -34.8 | 3.4 +0.9 | 96.7 -0.5 | close | + | |
| Celestion TF 1525E 4 Ohms | 47.5 +1.1 | 0.473 -0.03 | 141 -26.9 | 3.5 +1 | 97.2 = | close | + | |
| LaVoce WSF152.50 | 46 -0.4 | 0.505 +0.01 | 137 -30.9 | 4.7 +2.2 | 97.3 +0.1 | close | + | |
| SICA 15 BS 2.5 PL | 44 -2.4 | 0.552 +0.05 | 160 -7.9 | 4 +1.5 | 97.5 +0.3 | close | + | |
| RCF L 15P530 | 45 -1.4 | 0.478 -0.02 | 160 -7.9 | 6.2 +3.7 | 98.5 +1.3 | close | + | |
| Celestion TF 1525 v2020 | 47 +0.6 | 0.594 +0.09 | 152.5 -15.4 | 2.5 = | 97.6 +0.4 | close | + |
Compare the closest 3 against the 15 BP 2.5 CS →
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.