18 Sound 8NTLS2000
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 16 Ω |
| Fs | 42 Hz |
| Qts | 0.24 |
| Qes | 0.24 |
| Qms | 11.2 |
| Vas | 28 L |
| Sd | 227 cm² |
| Xmax | 7.4 mm |
| Re | 11.2 Ω |
| Bl | 21.8 T·m |
| Mms | 38 g |
| Pe | 350 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 175 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 3.6 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 8NTLS2000 | 43 +1 | 0.24 = | 30 +2 | 7.4 = | 93.5 +0.5 | close | 4 Ω vs 16 Ω: amp load changes | + |
| 18 Sound 8NTLS2000 | 41 -1 | 0.19 -0.05 | 27 -1 | 7.4 = | 93.5 +0.5 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Faital PRO 8RS350 | 42 = | 0.3 +0.06 | 23.7 -4.3 | 7.37 -0.03 | 90 -3 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 7.37 mm < 7.4 mm: lower excursion-limited SPL | + |
| Faital PRO 8RS340 | 42 = | 0.34 +0.1 | 25.5 -2.5 | 7.33 -0.07 | 91 -2 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 7.33 mm < 7.4 mm: lower excursion-limited SPL | + |
| Beyma 8NMFW | 37 -5 | 0.34 +0.1 | 27 -1 | 9 +1.6 | 90 -3 | usable | 8 Ω vs 16 Ω: amp load changes · 200 W vs 350 W: lower power handling | + |
| Beyma 8"P300Fe/N | 53 +11 | 0.31 +0.07 | 24.8 -3.2 | 6 -1.4 | 94 +1 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 6 mm < 7.4 mm: lower excursion-limited SPL | + |
| B&C 8FG51 | 49 +7 | 0.32 +0.08 | 20 -8 | 6.5 -0.9 | 93 = | usable | 8 Ω vs 16 Ω: amp load changes · 250 W vs 350 W: lower power handling · Xmax 6.5 mm < 7.4 mm: lower excursion-limited SPL | + |
| 18 Sound 8NMB420 | 61 +19 | 0.28 +0.04 | 33 +5 | 5.8 -1.6 | 95 +2 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 5.8 mm < 7.4 mm: lower excursion-limited SPL | + |
| 18 Sound 8NMB420 | 59 +17 | 0.31 +0.07 | 31 +3 | 5.8 -1.6 | 95 +2 | usable | 4 Ω vs 16 Ω: amp load changes · Xmax 5.8 mm < 7.4 mm: lower excursion-limited SPL | + |
| Faital PRO 8RS250 | 56 +14 | 0.32 +0.08 | 18.3 -9.7 | 6.92 -0.48 | 93 = | usable | 8 Ω vs 16 Ω: amp load changes · 200 W vs 350 W: lower power handling · Xmax 6.92 mm < 7.4 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 8NTLS2000 →
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.