SICA 12 C 2 CP
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 63 Hz |
| Qts | 0.509 |
| Qes | 0.56 |
| Qms | 5.63 |
| Vas | 70 L |
| Sd | 530.9 cm² |
| Xmax | 4.2 mm |
| Re | 6.2 Ω |
| Bl | 12.6 T·m |
| Mms | 36 g |
| Pe | 200 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 112 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 75.3 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 |
|---|---|---|---|---|---|---|---|---|
| RCF L 12/565 | 55 -8 | 0.497 -0.01 | 75 +5 | 3.8 -0.4 | 97.3 -0.7 | close | 100 W vs 200 W: lower power handling · Xmax 3.8 mm < 4.2 mm: lower excursion-limited SPL | + |
| Eminence DELTALITE 2512 | | 53.1 -9.9 | 0.52 +0.01 | 67.44 -2.56 | 4.9 +0.7 | 99.6 +1.6 | close | + | |
| Celestion TF 1225 | 63 = | 0.5 -0.01 | 54.5 -15.5 | 3.5 -0.7 | 97.9 -0.1 | close | Xmax 3.5 mm < 4.2 mm: lower excursion-limited SPL | + |
| RCF L12CX2K | 59.7 -3.3 | 0.46 -0.05 | 65 -5 | 4 -0.2 | 96.3 -1.7 | close | 75 W vs 200 W: lower power handling · Xmax 4 mm < 4.2 mm: lower excursion-limited SPL | + |
| Monacor SPA-112PA | 53 -10 | 0.497 -0.01 | 77 +7 | 4 -0.2 | 97.1 -0.9 | close | Xmax 4 mm < 4.2 mm: lower excursion-limited SPL | + |
| Faital PRO 12FE400 | 55 -8 | 0.52 +0.01 | 69.1 -0.9 | 5.42 +1.22 | 95 -3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Fertin Acoustics LB 31 SONO | 59.5 -3.5 | 0.407 -0.1 | 70 = | 4 -0.2 | 97.5 -0.5 | close | Xmax 4 mm < 4.2 mm: lower excursion-limited SPL | + |
| P.Audio E12-200S v2024 | 59 -4 | 0.569 +0.06 | 62 -8 | 4.1 -0.1 | 96.4 -1.6 | close | Xmax 4.1 mm < 4.2 mm: lower excursion-limited SPL | + |
| B&C 12 NCX | 59 -4 | 0.51 = | 64 -6 | 3 -1.2 | 96.9 -1.1 | close | Xmax 3 mm < 4.2 mm: lower excursion-limited SPL | + |
| Faital PRO 12FE400 | 55 -8 | 0.57 +0.06 | 73.6 +3.6 | 5.42 +1.22 | 97 -1 | close | + |
Compare the closest 3 against the 12 C 2 CP →
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.