Sica 8 K 3 PL
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 68.1 Hz |
| Qts | 0.25 |
| Qes | 0.27 |
| Qms | 3.85 |
| Vas | 12.2 L |
| Sd | 213.8 cm² |
| Xmax | 5 mm |
| Re | 5.6 Ω |
| Bl | 16.1 T·m |
| Mms | 29 g |
| Pe | 400 W |
| Sensitivity | 95.1 dB |
Alignment hint
| EBP | 252 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1.7 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 |
|---|---|---|---|---|---|---|---|---|
| Oberton 8NB201 | 70.56 +2.46 | 0.245 -0.01 | 12.54 +0.34 | 5.25 +0.25 | 95 -0.1 | close | 200 W vs 400 W: lower power handling | + |
| B&C 8CLA64 | 71 +2.9 | 0.24 -0.01 | 12.5 +0.3 | 5.3 +0.3 | 96 +0.9 | close | 250 W vs 400 W: lower power handling | + |
| B&C 8NDL64 | 73 +4.9 | 0.24 -0.01 | 11.8 -0.4 | 4.5 -0.5 | 97 +1.9 | close | 16 Ω vs 8 Ω: amp load changes · Xmax 4.5 mm < 5 mm: lower excursion-limited SPL | + |
| 18 Sound 8NTLW2000 | 74 +5.9 | 0.26 +0.01 | 11.3 -0.9 | 4.4 -0.6 | 96.5 +1.4 | close | 16 Ω vs 8 Ω: amp load changes · Xmax 4.4 mm < 5 mm: lower excursion-limited SPL | + |
| Beyma 8WR300 | 65 -3.1 | 0.27 +0.02 | 15 +2.8 | 6 +1 | 95 -0.1 | close | 300 W vs 400 W: lower power handling | + |
| B&C 8NW51 | 76 +7.9 | 0.25 = | 10.6 -1.6 | 6 +1 | 97 +1.9 | close | 4 Ω vs 8 Ω: amp load changes · 200 W vs 400 W: lower power handling | + |
| Beyma 8WRS300 | 65 -3.1 | 0.28 +0.03 | 15 +2.8 | 6 +1 | 95 -0.1 | close | 300 W vs 400 W: lower power handling | + |
| B&C 8NW51 | 68 -0.1 | 0.22 -0.03 | 14 +1.8 | 7 +2 | 97 +1.9 | close | 16 Ω vs 8 Ω: amp load changes · 200 W vs 400 W: lower power handling | + |
| Oberton 8NMB250v4 | 82.03 +13.93 | 0.258 +0.01 | 10.89 -1.31 | 4.5 -0.5 | 96 +0.9 | usable | 250 W vs 400 W: lower power handling · Xmax 4.5 mm < 5 mm: lower excursion-limited SPL | + |
| B&C 8FW51 | 74 +5.9 | 0.21 -0.04 | 12 -0.2 | 6 +1 | 97 +1.9 | usable | 200 W vs 400 W: lower power handling | + |
Compare the closest 3 against the 8 K 3 PL →
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.