18 Sound 18NLW4500
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35 Hz |
| Qts | 0.33 |
| Qes | 0.34 |
| Qms | 9.7 |
| Vas | 151 L |
| Sd | 1225 cm² |
| Xmax | 15.3 mm |
| Re | 5 Ω |
| Bl | 30.3 T·m |
| Mms | 286 g |
| Pe | 1800 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 42 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 18SW115 | 34 -1 | 0.3 -0.03 | 149.1 -1.9 | 14 -1.3 | 96 -1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 14 mm < 15.3 mm: lower excursion-limited SPL | + |
| B&C 18DS100 | 34 -1 | 0.29 -0.04 | 155 +4 | 14.5 -0.8 | 97.5 +0.5 | close | Xmax 14.5 mm < 15.3 mm: lower excursion-limited SPL | + |
| Eminence NSW4018-8 | 36 +1 | 0.38 +0.05 | 164.49 +13.49 | 15.21 -0.09 | 96.6 -0.4 | close | Xmax 15.21 mm < 15.3 mm: lower excursion-limited SPL | + |
| Faital PRO 18HP1030 | 35 = | 0.32 -0.01 | 172.2 +21.2 | 12.45 -2.85 | 98 +1 | close | 4 Ω vs 8 Ω: amp load changes · 1200 W vs 1800 W: lower power handling · Xmax 12.45 mm < 15.3 mm: lower excursion-limited SPL | + |
| 18 Sound 18NLW4500 | 37 +2 | 0.31 -0.02 | 127 -24 | 14.75 -0.55 | 96.5 -0.5 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 14.75 mm < 15.3 mm: lower excursion-limited SPL | + |
| Faital PRO 18HP1060 | 35 = | 0.33 = | 184.4 +33.4 | 12.45 -2.85 | 98 +1 | close | 4 Ω vs 8 Ω: amp load changes · 1200 W vs 1800 W: lower power handling · Xmax 12.45 mm < 15.3 mm: lower excursion-limited SPL | + |
| 18 Sound 18NLW4100 | 31 -4 | 0.34 +0.01 | 180 +29 | 15 -0.3 | 96.5 -0.5 | close | Xmax 15 mm < 15.3 mm: lower excursion-limited SPL | + |
| B&C 18SW100 | 36 +1 | 0.36 +0.03 | 160 +9 | 12.5 -2.8 | 96 -1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 12.5 mm < 15.3 mm: lower excursion-limited SPL | + |
| 18 Sound 18NTLW5000 | 32 -3 | 0.32 -0.01 | 176 +25 | 17.5 +2.2 | 95 -2 | close | + | |
| RCF LF18N408 | 30 -5 | 0.33 = | 193 +42 | 15 -0.3 | 97 = | close | Xmax 15 mm < 15.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 18NLW4500 →
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.