Sica 3.5 L 1 SL
Thiele-Small parameters
| Nominal size | 3.5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 108 Hz |
| Qts | 0.57 |
| Qes | 0.61 |
| Qms | 7.83 |
| Vas | 1.4 L |
| Sd | 38.5 cm² |
| Xmax | 1.5 mm |
| Re | 5 Ω |
| Bl | 4.27 T·m |
| Mms | 3.3 g |
| Pe | 45 W |
| Sensitivity | 88.6 dB |
Alignment hint
| EBP | 177 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 2.6 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 3.5 F 1 CS | 107 -1 | 0.57 = | 1.4 = | 1.5 = | 88.5 -0.1 | close | + | |
| Sica 3.5 H 1 CS | 85 -23 | 0.53 -0.04 | 1.8 +0.4 | 2.5 +1 | 86.1 -2.5 | usable | + |
Compare the closest 2 against the 3.5 L 1 SL →
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.