SICA BP12/150
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50.2 Hz |
| Qts | 0.319 |
| Qes | 0.34 |
| Qms | 5.14 |
| Vas | 73.5 L |
| Sd | 490.9 cm² |
| Xmax | 3.1 mm |
| Re | 6.2 Ω |
| Bl | 16.3 T·m |
| Mms | 46.2 g |
| Pe | 150 W |
| Sensitivity | 97.5 dB |
Alignment hint
| EBP | 148 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 18.8 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 |
|---|---|---|---|---|---|---|---|---|
| Jensen BP12/250 | 50.2 = | 0.319 = | 73.5 = | 3.1 = | 97.4 -0.1 | close | + | |
| LaVoce WSF122.50 | 50 -0.2 | 0.32 = | 72 -1.5 | 4.4 +1.3 | 97.8 +0.3 | close | + | |
| Monacor SP-12A/302PA | 50 -0.2 | 0.335 +0.02 | 77 +3.5 | 5 +1.9 | 97.3 -0.2 | close | + | |
| Beyma 12G350 | 50 -0.2 | 0.293 -0.03 | 80 +6.5 | 3.1 = | 98.5 +1 | close | + | |
| Conrad CPA12-150 | 49.9 -0.3 | 0.287 -0.03 | 66.5 -7 | 3.2 +0.1 | 97.4 -0.1 | close | + | |
| P.Audio 12BM-300B | 48 -2.2 | 0.31 -0.01 | 81.27 +7.77 | 3.3 +0.2 | 96.2 -1.3 | close | + | |
| Fane CRESCENDO 12MB | 50 -0.2 | 0.295 -0.02 | 67 -6.5 | 4.3 +1.2 | 97.8 +0.3 | close | + | |
| Elder Audio 12LB075-8N | 52 +1.8 | 0.3 -0.02 | 66.8 -6.7 | 4 +0.9 | 98 +0.5 | close | + | |
| Eminence DELTA PRO 12 | 51 +0.8 | 0.353 +0.03 | 81.7 +8.2 | 3.2 +0.1 | 98.1 +0.6 | close | + | |
| B&C 12 HPL 64 | 52 +1.8 | 0.316 = | 85 +11.5 | 4 +0.9 | 98.7 +1.2 | close | + |
Compare the closest 3 against the BP12/150 →
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.