18 Sound 18NTLW5000
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 32 Hz |
| Qts | 0.32 |
| Qes | 0.33 |
| Qms | 8.52 |
| Vas | 176 L |
| Sd | 1225 cm² |
| Xmax | 17.5 mm |
| Re | 5.5 Ω |
| Bl | 31.3 T·m |
| Mms | 295 g |
| Pe | 1800 W |
| Sensitivity | 95 dB |
Alignment hint
| EBP | 97 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 45.3 L |
EBP 50-100: works in either a sealed or ported 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 = | 0.3 -0.02 | 165 -11 | 17.5 = | 95 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 18NLW4100 | 31 -1 | 0.34 +0.02 | 180 +4 | 15 -2.5 | 96.5 +1.5 | close | Xmax 15 mm < 17.5 mm: lower excursion-limited SPL | + |
| B&C 18TBW100 | 33 +1 | 0.32 = | 181.5 +5.5 | 12 -5.5 | 96 +1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 12 mm < 17.5 mm: lower excursion-limited SPL | + |
| Faital PRO 18HW1070 | 32 = | 0.33 +0.01 | 191.5 +15.5 | 13 -4.5 | 96 +1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 13 mm < 17.5 mm: lower excursion-limited SPL | + |
| Oberton 18NXB1600 | 32.37 +0.37 | 0.303 -0.02 | 173.11 -2.89 | 13.5 -4 | 97 +2 | close | Xmax 13.5 mm < 17.5 mm: lower excursion-limited SPL | + |
| B&C 18SW115 | 32 = | 0.3 -0.02 | 187 +11 | 14 -3.5 | 97 +2 | close | Xmax 14 mm < 17.5 mm: lower excursion-limited SPL | + |
| RCF LF18N408 | 30 -2 | 0.33 +0.01 | 193 +17 | 15 -2.5 | 97 +2 | close | Xmax 15 mm < 17.5 mm: lower excursion-limited SPL | + |
| 18 Sound 18LW2600 | 31 -1 | 0.29 -0.03 | 187 +11 | 14.8 -2.7 | 96.8 +1.8 | close | Xmax 14.8 mm < 17.5 mm: lower excursion-limited SPL | + |
| 18 Sound 18TLW3000 | 32 = | 0.35 +0.03 | 185 +9 | 12 -5.5 | 94 -1 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 12 mm < 17.5 mm: lower excursion-limited SPL | + |
| 18 Sound 18NLW4500 | 35 +3 | 0.33 +0.01 | 151 -25 | 15.3 -2.2 | 97 +2 | usable | Xmax 15.3 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.