Sica 8 D 1.5 CS
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 62 Hz |
| Qts | 0.3 |
| Qes | 0.35 |
| Qms | 2.21 |
| Vas | 25.5 L |
| Sd | 213.8 cm² |
| Xmax | 2.5 mm |
| Re | 6.6 Ω |
| Bl | 11.18 T·m |
| Mms | 16.8 g |
| Pe | 130 W |
| Sensitivity | 95.3 dB |
Alignment hint
| EBP | 177 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.6 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence BETA 8CX | 62 = | 0.29 -0.01 | 21.43 -4.07 | 3.2 +0.7 | 92.9 -2.4 | close | + | |
| B&C 8MBX51 | 60 -2 | 0.29 -0.01 | 23 -2.5 | 6 +3.5 | 96.5 +1.2 | close | + | |
| 18 Sound 8NMB420 | 59 -3 | 0.31 +0.01 | 31 +5.5 | 5.8 +3.3 | 95 -0.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 8"P300Fe/N | 53 -9 | 0.31 +0.01 | 24.8 -0.7 | 6 +3.5 | 94 -1.3 | close | + | |
| Eminence BETA-8A | 65 +3 | 0.38 +0.08 | 23.3 -2.2 | 3 +0.5 | 95.1 -0.2 | usable | + | |
| 18 Sound 8NMB420 | 61 -1 | 0.28 -0.02 | 33 +7.5 | 5.8 +3.3 | 95 -0.3 | usable | + | |
| Sica 8 L 2 SL | 64 +2 | 0.32 +0.02 | 18.2 -7.3 | 3.5 +1 | 94.5 -0.8 | usable | + | |
| B&C 8FMB51 | 67 +5 | 0.28 -0.02 | 20.7 -4.8 | 5.5 +3 | 96.5 +1.2 | usable | + | |
| 18 Sound 8MB400 | 64 +2 | 0.38 +0.08 | 23.9 -1.6 | 5.8 +3.3 | 95 -0.3 | usable | + | |
| 18 Sound 8NW650 | 62 = | 0.25 -0.05 | 18.99 -6.51 | 5.5 +3 | 95 -0.3 | usable | 16 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 8 D 1.5 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.