18 Sound 18LW1400
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 4 Ω |
| Fs | 33 Hz |
| Qts | 0.32 |
| Qes | 0.34 |
| Qms | 6.6 |
| Vas | 210 L |
| Sd | 1225 cm² |
| Xmax | 9 mm |
| Re | 3.6 Ω |
| Bl | 22.1 T·m |
| Mms | 190 g |
| Pe | 1000 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 97 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 54.1 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 18SW1600ND | 32 -1 | 0.33 +0.01 | 205.7 -4.3 | 10 +1 | 96.6 -0.4 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Fane COLOSSUS 18-1000 | 32 -1 | 0.319 = | 236 +26 | 8.9 -0.1 | 97 = | close | 8 Ω vs 4 Ω: amp load changes · Xmax 8.9 mm < 9 mm: lower excursion-limited SPL | + |
| 18 Sound 18LW2420 | 34 +1 | 0.31 -0.01 | 208 -2 | 10 +1 | 98 +1 | close | + | |
| 18 Sound 18LW2400 | 33 = | 0.32 = | 235 +25 | 9.5 +0.5 | 98 +1 | close | + | |
| B&C 18TBX100 | 34 +1 | 0.35 +0.03 | 212 +2 | 9 = | 97 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 18NLW9000 | 34 +1 | 0.31 -0.01 | 206 -4 | 14 +5 | 97 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| Fane FC-185ND01 | 33 = | 0.295 -0.03 | 203 -7 | 8.9 -0.1 | 97.4 +0.4 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 8.9 mm < 9 mm: lower excursion-limited SPL | + |
| B&C 18 TBX 100 | 34 +1 | 0.352 +0.03 | 212 +2 | 9 = | 97.5 +0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Beyma 18P1000FE | 33 = | 0.32 = | 230 +20 | 8 -1 | 97.8 +0.8 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 9 mm: lower excursion-limited SPL | + |
| Beyma 18" P1000Fe V2/S | 33 = | 0.32 = | 230 +20 | 8 -1 | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 9 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 18LW1400 →
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.