18 Sound 6NTLW2000
Thiele-Small parameters
| Nominal size | 6.5" |
|---|---|
| Impedance | 16 Ω |
| Fs | 86 Hz |
| Qts | 0.38 |
| Qes | 0.43 |
| Qms | 3.38 |
| Vas | 4.8 L |
| Sd | 133 cm² |
| Xmax | 4.9 mm |
| Re | 9 Ω |
| Bl | 14.1 T·m |
| Mms | 17.5 g |
| Pe | 320 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 200 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1.9 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 6NTLW2000 | 86 = | 0.35 -0.03 | 4.6 -0.2 | 4.9 = | 93 = | close | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 6CLA51 | 89 +3 | 0.41 +0.03 | 5.7 +0.9 | 5.5 +0.6 | 93.5 +0.5 | close | 250 W vs 320 W: lower power handling | + |
| B&C 6CLA51 | 96 +10 | 0.32 -0.06 | 4.3 -0.5 | 4.8 -0.1 | 94.5 +1.5 | usable | 8 Ω vs 16 Ω: amp load changes · 250 W vs 320 W: lower power handling · Xmax 4.8 mm < 4.9 mm: lower excursion-limited SPL | + |
| Beyma 6CMV2 | 90 +4 | 0.34 -0.04 | 6.5 +1.7 | 5.7 +0.8 | 94 +1 | usable | 8 Ω vs 16 Ω: amp load changes · 220 W vs 320 W: lower power handling | + |
| B&C 6NDL38 | 72 -14 | 0.42 +0.04 | 7 +2.2 | 6 +1.1 | 92 -1 | usable | 8 Ω vs 16 Ω: amp load changes · 150 W vs 320 W: lower power handling | + |
| B&C 6NDL38 | 69 -17 | 0.39 +0.01 | 7.1 +2.3 | 6 +1.1 | 91 -2 | usable | 4 Ω vs 16 Ω: amp load changes · 150 W vs 320 W: lower power handling | + |
| Beyma 6G40Nd/N | 100 +14 | 0.38 = | 3.7 -1.1 | 3 -1.9 | 94 +1 | usable | 8 Ω vs 16 Ω: amp load changes · 170 W vs 320 W: lower power handling · Xmax 3 mm < 4.9 mm: lower excursion-limited SPL | + |
| B&C 6PS44 | 71 -15 | 0.33 -0.05 | 7 +2.2 | 4.5 -0.4 | 93 = | usable | 8 Ω vs 16 Ω: amp load changes · 200 W vs 320 W: lower power handling · Xmax 4.5 mm < 4.9 mm: lower excursion-limited SPL | + |
| B&C 6PS38 | 75 -11 | 0.3 -0.08 | 8 +3.2 | 6 +1.1 | 94 +1 | usable | 8 Ω vs 16 Ω: amp load changes · 150 W vs 320 W: lower power handling | + |
| B&C 6MBX44 | 115 +29 | 0.35 -0.03 | 4 -0.8 | 3.5 -1.4 | 98 +5 | usable | 200 W vs 320 W: lower power handling · Xmax 3.5 mm < 4.9 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 6NTLW2000 →
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.