18 Sound 18LW2420
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34 Hz |
| Qts | 0.36 |
| Qes | 0.38 |
| Qms | 6.3 |
| Vas | 196 L |
| Sd | 1225 cm² |
| Xmax | 10 mm |
| Re | 5.2 Ω |
| Bl | 25.5 T·m |
| Mms | 210 g |
| Pe | 1300 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 89 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 68.6 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 18HP1060 | 35 +1 | 0.37 +0.01 | 200.3 +4.3 | 12.45 +2.45 | 98 = | close | + | |
| Faital PRO 18XL1600 | 32 -2 | 0.36 = | 211.4 +15.4 | 12.92 +2.92 | 98 = | close | + | |
| B&C 18NBX100 | 35 +1 | 0.37 +0.01 | 192 -4 | 10 = | 96 -2 | close | 4 Ω vs 8 Ω: amp load changes | + |
| B&C 18NBX100 | 35 +1 | 0.38 +0.02 | 198 +2 | 10 = | 96.5 -1.5 | close | + | |
| B&C 18 TBX 100 | 34 = | 0.352 -0.01 | 212 +16 | 9 -1 | 97.5 -0.5 | close | Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| Beyma 18LEX1600Fe | 34 = | 0.38 +0.02 | 188 -8 | 13 +3 | 97 -1 | close | + | |
| B&C 18TBX100 | 34 = | 0.35 -0.01 | 212 +16 | 9 -1 | 97 -1 | close | Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| Faital PRO 18HW1070 | 32 -2 | 0.38 +0.02 | 195.9 -0.1 | 13 +3 | 97 -1 | close | + | |
| Faital PRO 18HP1060 | 35 +1 | 0.33 -0.03 | 184.4 -11.6 | 12.45 +2.45 | 98 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| B&C 18 SW 100 | 35 +1 | 0.375 +0.02 | 180 -16 | 9.7 -0.3 | 96.9 -1.1 | close | Xmax 9.7 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.