18 Sound 18LW2420
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 4 Ω |
| Fs | 34 Hz |
| Qts | 0.31 |
| Qes | 0.32 |
| Qms | 6.9 |
| Vas | 208 L |
| Sd | 1225 cm² |
| Xmax | 10 mm |
| Re | 2.8 Ω |
| Bl | 20.2 T·m |
| Mms | 221 g |
| Pe | 1300 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 49.5 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 18NLW9000 | 34 = | 0.31 = | 206 -2 | 14 +4 | 97 -1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 18HP1010 | 35 +1 | 0.31 = | 225.9 +17.9 | 9.75 -0.25 | 98 = | close | 1000 W vs 1300 W: lower power handling · Xmax 9.75 mm < 10 mm: lower excursion-limited SPL | + |
| Faital PRO 18HP1022 | 35 +1 | 0.3 -0.01 | 204.9 -3.1 | 9.5 -0.5 | 98 = | close | 8 Ω vs 4 Ω: amp load changes · 1000 W vs 1300 W: lower power handling · Xmax 9.5 mm < 10 mm: lower excursion-limited SPL | + |
| Faital PRO 18XL1600 | 32 -2 | 0.31 = | 201.1 -6.9 | 12.92 +2.92 | 98 = | close | + | |
| 18 Sound 18LW2400 | 35 +1 | 0.31 = | 230 +22 | 9.5 -0.5 | 98 = | close | 8 Ω vs 4 Ω: amp load changes · Xmax 9.5 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 18LW1400 | 33 -1 | 0.32 +0.01 | 210 +2 | 9 -1 | 97 -1 | close | 1000 W vs 1300 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 18LW2400 | 33 -1 | 0.32 +0.01 | 235 +27 | 9.5 -0.5 | 98 = | close | Xmax 9.5 mm < 10 mm: lower excursion-limited SPL | + |
| Fane FC-185ND01 | 33 -1 | 0.295 -0.02 | 203 -5 | 8.9 -1.1 | 97.4 -0.6 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 8.9 mm < 10 mm: lower excursion-limited SPL | + |
| Beyma 18SW1600ND | 32 -2 | 0.33 +0.02 | 205.7 -2.3 | 10 = | 96.6 -1.4 | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 18 TBX 46 v2 | 34 = | 0.311 = | 227 +19 | 8.1 -1.9 | 98.2 +0.2 | close | 8 Ω vs 4 Ω: amp load changes · 1000 W vs 1300 W: lower power handling · Xmax 8.1 mm < 10 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 18LW2420 →
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.