Sica 3.5 H 1 CS
Thiele-Small parameters
| Nominal size | 3.5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 85 Hz |
| Qts | 0.53 |
| Qes | 0.57 |
| Qms | 6.95 |
| Vas | 1.8 L |
| Sd | 38.5 cm² |
| Xmax | 2.5 mm |
| Re | 6.1 Ω |
| Bl | 4.83 T·m |
| Mms | 4.1 g |
| Pe | 45 W |
| Sensitivity | 86.1 dB |
Alignment hint
| EBP | 149 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 2.3 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 |
|---|---|---|---|---|---|---|---|---|
| Sica 3.5 F 1 CS | 107 +22 | 0.57 +0.04 | 1.4 -0.4 | 1.5 -1 | 88.5 +2.4 | usable | Xmax 1.5 mm < 2.5 mm: lower excursion-limited SPL | + |
| Sica 3.5 L 1 SL | 108 +23 | 0.57 +0.04 | 1.4 -0.4 | 1.5 -1 | 88.6 +2.5 | usable | Xmax 1.5 mm < 2.5 mm: lower excursion-limited SPL | + |
Compare the closest 2 against the 3.5 H 1 CS →
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.