SICA 12 SR 3 CP v2018
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36.8 Hz |
| Qts | 0.387 |
| Qes | 0.44 |
| Qms | 3.2 |
| Vas | 64 L |
| Sd | 490.9 cm² |
| Xmax | 6 mm |
| Re | 5.1 Ω |
| Bl | 16.3 T·m |
| Mms | 98.7 g |
| Pe | 350 W |
| Sensitivity | 92.5 dB |
Alignment hint
| EBP | 84 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 27.4 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 |
|---|---|---|---|---|---|---|---|---|
| Sica 12 SR 3 CP | 37 +0.2 | 0.4 +0.01 | 60.9 -3.1 | 8 +2 | 92.2 -0.3 | close | + | |
| SICA 12 SR 3 PL v2018 | 36 -0.8 | 0.418 +0.03 | 60.4 -3.6 | 7 +1 | 91.7 -0.8 | close | + | |
| Sica 12 SR 3 PL | 36 -0.8 | 0.42 +0.03 | 60.4 -3.6 | 7 +1 | 91.8 -0.7 | close | + | |
| SICA 12 SR 3 CP v2020 | 37.8 +1 | 0.402 +0.02 | 60.5 -3.5 | 5 -1 | 92.5 = | close | Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| PHL Audio 4021 | 35.4 -1.4 | 0.367 -0.02 | 55.2 -8.8 | 6.5 +0.5 | 91.6 -0.9 | close | + | |
| 18 Sound 12NTLS3500 | 41 +4.2 | 0.41 +0.02 | 65 +1 | 7.9 +1.9 | 93.5 +1 | close | + | |
| PHL Audio 4021 v2026 | 35 -1.8 | 0.348 -0.04 | 70 +6 | 7.5 +1.5 | 92.7 +0.2 | close | + | |
| Celestion CF1230BMB | 43 +6.2 | 0.381 -0.01 | 60.7 -3.3 | 5.5 -0.5 | 94 +1.5 | close | Xmax 5.5 mm < 6 mm: lower excursion-limited SPL | + |
| Conrad B12123 | 33 -3.8 | 0.446 +0.06 | 64.6 +0.6 | 5.5 -0.5 | 92.4 -0.1 | close | 4 Ω vs 8 Ω: amp load changes · 200 W vs 350 W: lower power handling · Xmax 5.5 mm < 6 mm: lower excursion-limited SPL | + |
| Hifonics ZX1284 | 33 -3.8 | 0.38 -0.01 | 63 -1 | 9 +3 | 89.2 -3.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 12 SR 3 CP v2018 →
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.