18 Sound 15NLW9401
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39 Hz |
| Qts | 0.26 |
| Qes | 0.28 |
| Qms | 4.13 |
| Vas | 134 L |
| Sd | 850 cm² |
| Xmax | 10 mm |
| Re | 5.2 Ω |
| Bl | 25.4 T·m |
| Mms | 140 g |
| Pe | 1200 W |
| Sensitivity | 97.5 dB |
Alignment hint
| EBP | 139 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 20.9 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 15LW1401 | 39 = | 0.26 = | 127 -7 | 9 -1 | 98 +0.5 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| Faital PRO 15FX600 | 38 -1 | 0.27 +0.01 | 128.3 -5.7 | 11.25 +1.25 | 98 +0.5 | close | 700 W vs 1200 W: lower power handling | + |
| 18 Sound 15NLW9401 | 40 +1 | 0.25 -0.01 | 114 -20 | 10 = | 97.5 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 15HP1020 | 40 +1 | 0.27 +0.01 | 126.6 -7.4 | 9 -1 | 98 +0.5 | close | 700 W vs 1200 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 15LW1401 | 42 +3 | 0.27 +0.01 | 131 -3 | 9 -1 | 98 +0.5 | close | Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| BMS 15S430V2 | 39.8 +0.8 | 0.26 = | 135 +1 | 7.5 -2.5 | 96.8 -0.7 | close | 600 W vs 1200 W: lower power handling · Xmax 7.5 mm < 10 mm: lower excursion-limited SPL | + |
| 18 Sound 15LW2400 | 40 +1 | 0.3 +0.04 | 131 -3 | 10 = | 97 -0.5 | close | + | |
| BMS 15N840V2-8 | 35.6 -3.4 | 0.268 +0.01 | 130 -4 | 8.7 -1.3 | 97.2 -0.3 | close | Xmax 8.7 mm < 10 mm: lower excursion-limited SPL | + |
| RCF LF15G401 | 36 -3 | 0.26 = | 150 +16 | 9 -1 | 97 -0.5 | close | 800 W vs 1200 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
| RCF LF15Y408 | 36 -3 | 0.26 = | 150 +16 | 9 -1 | 97 -0.5 | close | 800 W vs 1200 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 15NLW9401 →
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.