Sica 15 N 3 PL
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 46.9 Hz |
| Qts | 0.37 |
| Qes | 0.37 |
| Qms | 11.89 |
| Vas | 140.4 L |
| Sd | 855.3 cm² |
| Xmax | 10 mm |
| Re | 5.1 Ω |
| Bl | 18.45 T·m |
| Mms | 84.8 g |
| Pe | 400 W |
| Sensitivity | 99.8 dB |
Alignment hint
| EBP | 127 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 52.9 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 |
|---|---|---|---|---|---|---|---|---|
| Peavey 1505-8 KA DT BW | 50.8 +3.9 | 0.35 -0.02 | 143.5 +3.1 | 9 -1 | 98.9 -0.9 | close | Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND840 | 43 -3.9 | 0.37 = | 163 +22.6 | 9.5 -0.5 | 99 -0.8 | close | Xmax 9.5 mm < 10 mm: lower excursion-limited SPL | + |
| Eminence KAPPA PRO 15 LF | 46 -0.9 | 0.373 = | 142.2 +1.8 | 6.7 -3.3 | 98.9 -0.9 | close | Xmax 6.7 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 15NTLW3500 | 45 -1.9 | 0.39 +0.02 | 131 -9.4 | 8.3 -1.7 | 98 -1.8 | close | Xmax 8.3 mm < 10 mm: lower excursion-limited SPL | + |
| Precision Devices PD156 | 50.15 +3.25 | 0.38 +0.01 | 120.17 -20.23 | 9.5 -0.5 | 97 -2.8 | close | 16 Ω vs 8 Ω: amp load changes · Xmax 9.5 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND940 | 41 -5.9 | 0.36 -0.01 | 166 +25.6 | 9.5 -0.5 | 98.5 -1.3 | close | 16 Ω vs 8 Ω: amp load changes · Xmax 9.5 mm < 10 mm: lower excursion-limited SPL | + |
| B&C 15NDL88 | 45 -1.9 | 0.34 -0.03 | 126 -14.4 | 8 -2 | 99 -0.8 | close | Xmax 8 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 15W1300 | 46 -0.9 | 0.361 -0.01 | 138 -2.4 | 6 -4 | 99 -0.8 | close | Xmax 6 mm < 10 mm: lower excursion-limited SPL | + |
| Eminence KAPPA PRO 15 LF v1 | 46 -0.9 | 0.372 = | 127.5 -12.9 | 6.4 -3.6 | 98.6 -1.2 | usable | Xmax 6.4 mm < 10 mm: lower excursion-limited SPL | + |
| LaVoce WAF153.00 | 43 -3.9 | 0.374 = | 146 +5.6 | 6.5 -3.5 | 99 -0.8 | usable | Xmax 6.5 mm < 10 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 15 N 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.