18 Sound 18NTLW5000
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 4 Ω |
| Fs | 32 Hz |
| Qts | 0.3 |
| Qes | 0.31 |
| Qms | 9.5 |
| Vas | 165 L |
| Sd | 1225 cm² |
| Xmax | 17.5 mm |
| Re | 3.1 Ω |
| Bl | 25 T·m |
| Mms | 306 g |
| Pe | 1800 W |
| Sensitivity | 95 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 36.2 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 18NTLW5000 | 32 = | 0.32 +0.02 | 176 +11 | 17.5 = | 95 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| Oberton 18NXB1600 | 32.37 +0.37 | 0.303 = | 173.11 +8.11 | 13.5 -4 | 97 +2 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 13.5 mm < 17.5 mm: lower excursion-limited SPL | + |
| B&C 18SW115 | 34 +2 | 0.3 = | 149.1 -15.9 | 14 -3.5 | 96 +1 | close | Xmax 14 mm < 17.5 mm: lower excursion-limited SPL | + |
| B&C 18SW115 | 32 = | 0.3 = | 187 +22 | 14 -3.5 | 97 +2 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 14 mm < 17.5 mm: lower excursion-limited SPL | + |
| 18 Sound 18LW2600 | 31 -1 | 0.29 -0.01 | 187 +22 | 14.8 -2.7 | 96.8 +1.8 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 14.8 mm < 17.5 mm: lower excursion-limited SPL | + |
| B&C 18DS100 | 34 +2 | 0.29 -0.01 | 155 -10 | 14.5 -3 | 97.5 +2.5 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 14.5 mm < 17.5 mm: lower excursion-limited SPL | + |
| 18 Sound 18NLW4100 | 31 -1 | 0.34 +0.04 | 180 +15 | 15 -2.5 | 96.5 +1.5 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 15 mm < 17.5 mm: lower excursion-limited SPL | + |
| 18 Sound 18LW2600 | 30 -2 | 0.28 -0.02 | 186 +21 | 14 -3.5 | 96.5 +1.5 | usable | Xmax 14 mm < 17.5 mm: lower excursion-limited SPL | + |
| 18 Sound 18NLW4500 | 35 +3 | 0.33 +0.03 | 151 -14 | 15.3 -2.2 | 97 +2 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 15.3 mm < 17.5 mm: lower excursion-limited SPL | + |
| B&C 18TBW100 | 33 +1 | 0.32 +0.02 | 181.5 +16.5 | 12 -5.5 | 96 +1 | usable | Xmax 12 mm < 17.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 18NTLW5000 →
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.