Sica 18 F 3 CP
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 31.6 Hz |
| Qts | 0.44 |
| Qes | 0.52 |
| Qms | 3.1 |
| Vas | 321 L |
| Sd | 1164.2 cm² |
| Xmax | 6.5 mm |
| Re | 5.1 Ω |
| Bl | 17.22 T·m |
| Mms | 152 g |
| Pe | 500 W |
| Sensitivity | 96.9 dB |
Alignment hint
| EBP | 61 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 202.8 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 18G40 | 31 -0.6 | 0.407 -0.03 | 323 +2 | 7 +0.5 | 96.9 = | close | + | |
| SB Audience ROSSO-18SW650 | 31 -0.6 | 0.418 -0.02 | 304.3 -16.7 | 9 +2.5 | 97.2 +0.3 | close | + | |
| Eminence KILOMAX PRO 18 A v2016 | 32 +0.4 | 0.467 +0.03 | 331.5 +10.5 | 10 +3.5 | 97.4 +0.5 | close | + | |
| Selenium 18SWS1100 | 34 +2.4 | 0.447 +0.01 | 316 -5 | 9.3 +2.8 | 97.8 +0.9 | close | + | |
| Eminence KILOMAX PRO-18A | 32 +0.4 | 0.47 +0.03 | 331.5 +10.5 | 10 +3.5 | 95.8 -1.1 | close | + | |
| McCauley 6152-8 | 30 -1.6 | 0.434 -0.01 | 354 +33 | 12 +5.5 | 97.1 +0.2 | close | + | |
| Beyma 18WRS600 | 30 -1.6 | 0.47 +0.03 | 354 +33 | 8.5 +2 | 97 +0.1 | close | + | |
| B&C 18 PS 100 (prodance) | 31.5 -0.1 | 0.458 +0.02 | 268 -53 | 8 +1.5 | 96.2 -0.7 | close | + | |
| Beyma 18LX60 vp1 | 31.3 -0.3 | 0.472 +0.03 | 385 +64 | 9 +2.5 | 96.8 -0.1 | close | + | |
| Beyma 18LX60 (prodance) | 31.3 -0.3 | 0.472 +0.03 | 385.3 +64.3 | 9 +2.5 | 96.8 -0.1 | close | + |
Compare the closest 3 against the 18 F 3 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.