SICA 12 BP 2.5 CS
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 46.8 Hz |
| Qts | 0.425 |
| Qes | 0.44 |
| Qms | 12.58 |
| Vas | 81.3 L |
| Sd | 530.9 cm² |
| Xmax | 5 mm |
| Re | 5.46 Ω |
| Bl | 14.3 T·m |
| Mms | 56.2 g |
| Pe | 200 W |
| Sensitivity | 96.4 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 46 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 |
|---|---|---|---|---|---|---|---|---|
| SICA 12 BS 2.5 PL | 46.8 = | 0.425 = | 81.3 = | 5 = | 96.4 = | close | + | |
| SICA PL 12 B 2.5 S | 46.8 = | 0.425 = | 81.3 = | 5 = | 96.4 = | close | + | |
| Jensen SMOOTH BS 12N/250A | 47 +0.2 | 0.425 = | 81.3 = | 5.5 +0.5 | 96.4 = | close | + | |
| Fane SOVEREIGN 12-300 v2024 | 47 +0.2 | 0.4 -0.02 | 80 -1.3 | 5 = | 96.3 -0.1 | close | + | |
| Faital PRO 12FE300 | 47 +0.2 | 0.44 +0.02 | 81.4 +0.1 | 5.47 +0.47 | 95 -1.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Sica 12 PF 3 | 47 +0.2 | 0.39 -0.03 | 76.5 -4.8 | 5.5 +0.5 | 96.4 = | close | + | |
| Celestion FTX1225 v2024 | 47.3 +0.5 | 0.396 -0.03 | 84.6 +3.3 | 5.9 +0.9 | 96.8 +0.4 | close | + | |
| PHL Audio 4511 | 48 +1.2 | 0.406 -0.02 | 74.1 -7.2 | 5.4 +0.4 | 96.2 -0.2 | close | + | |
| Davis 31TCA12 v2015 | 48.5 +1.7 | 0.442 +0.02 | 92.3 +11 | 5 = | 96.5 +0.1 | close | + | |
| Faital PRO 12PR310 | 50 +3.2 | 0.42 -0.01 | 77.3 -4 | 4.92 -0.08 | 98 +1.6 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 4.92 mm < 5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12 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.