18 Sound 18W1001
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35 Hz |
| Qts | 0.23 |
| Qes | 0.24 |
| Qms | 7.1 |
| Vas | 268 L |
| Sd | 1134 cm² |
| Xmax | 7 mm |
| Re | 5.8 Ω |
| Bl | 27.6 T·m |
| Mms | 139 g |
| Pe | 1000 W |
| Sensitivity | 99 dB |
Alignment hint
| EBP | 146 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 31.7 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 18W1000 | 35 = | 0.232 = | 268 = | 7 = | 100.2 +1.2 | close | + | |
| RCF LF 18N402 | 36 +1 | 0.241 +0.01 | 247 -21 | 7.1 +0.1 | 100.2 +1.2 | close | + | |
| 18 Sound 18NLW9400 | 32 -3 | 0.22 -0.01 | 278 +10 | 9.5 +2.5 | 98 -1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| PD PD 185C003 | 33 -2 | 0.224 -0.01 | 224 -44 | 8.8 +1.8 | 99.1 +0.1 | close | + | |
| Precision Devices PD 185C003 | 33 -2 | 0.224 -0.01 | 224 -44 | 8.8 +1.8 | 99.1 +0.1 | close | + | |
| 18 Sound 18LW1251 | 35 = | 0.27 +0.04 | 268 = | 9 +2 | 98 -1 | close | + | |
| 18 Sound 18W2001 | 37 +2 | 0.25 +0.02 | 230 -38 | 7 = | 99 = | close | + | |
| 18 Sound 18LW1250 | 35 = | 0.271 +0.04 | 268 = | 8.7 +1.7 | 100.2 +1.2 | close | + | |
| RCF LF 18N451 | 31 -4 | 0.24 +0.01 | 245 -23 | 8.8 +1.8 | 98.7 -0.3 | close | + | |
| 18 Sound 18NLW9400 | 33 -2 | 0.26 +0.03 | 268 = | 9.5 +2.5 | 98 -1 | close | + |
Compare the closest 3 against the 18W1001 →
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.