18 Sound 15NTLS3500
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28 Hz |
| Qts | 0.42 |
| Qes | 0.44 |
| Qms | 8.2 |
| Vas | 141 L |
| Sd | 881 cm² |
| Xmax | 15.3 mm |
| Re | 5.2 Ω |
| Bl | 21.6 T·m |
| Mms | 250 g |
| Pe | 950 W |
| Sensitivity | 89 dB |
Alignment hint
| EBP | 64 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 76.9 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 |
|---|---|---|---|---|---|---|---|---|
| Audiobahn AW1571T | 28.2 +0.2 | 0.49 +0.07 | 133.088 -7.91 | 11 -4.3 | 89.2 +0.2 | usable | 4 Ω vs 8 Ω: amp load changes · 500 W vs 950 W: lower power handling · Xmax 11 mm < 15.3 mm: lower excursion-limited SPL | + |
| Ground Zero GZHW 38X | 22.6 -5.4 | 0.43 +0.01 | 147 +6 | 12.5 -2.8 | 90.3 +1.3 | usable | Xmax 12.5 mm < 15.3 mm: lower excursion-limited SPL | + |
| Dayton Audio MX15-22 | 21.7 -6.3 | 0.415 -0.01 | 146.1 +5.1 | 12.3 -3 | 90.1 +1.1 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 12.3 mm < 15.3 mm: lower excursion-limited SPL | + |
| TC Sounds LMS R15 | 23.6 -4.4 | 0.446 +0.03 | 123 -18 | 12.1 -3.2 | 90.2 +1.2 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 12.1 mm < 15.3 mm: lower excursion-limited SPL | + |
| Hertz Audio HX 380 | 30 +2 | 0.55 +0.13 | 123.2 -17.8 | 14 -1.3 | 89.1 +0.1 | usable | 4 Ω vs 8 Ω: amp load changes · 700 W vs 950 W: lower power handling · Xmax 14 mm < 15.3 mm: lower excursion-limited SPL | + |
| Stereo Integrity SQL-15 15 | 23.8 -4.2 | 0.418 = | 115 -26 | 12.1 -3.2 | 90.9 +1.9 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 12.1 mm < 15.3 mm: lower excursion-limited SPL | + |
| Dayton Audio TIT400C | 24.2 -3.8 | 0.483 +0.06 | 154.3 +13.3 | 13.3 -2 | 91.5 +2.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 13.3 mm < 15.3 mm: lower excursion-limited SPL | + |
| Eminence LAB 15 | | 28 = | 0.35 -0.07 | 103.61 -37.39 | 11.8 -3.5 | 88.5 -0.5 | usable | 6 Ω vs 8 Ω: amp load changes · 600 W vs 950 W: lower power handling · Xmax 11.8 mm < 15.3 mm: lower excursion-limited SPL | + |
| Ciare 15.00SW-4 | 29 +1 | 0.407 -0.01 | 113 -28 | 11.1 -4.2 | 93.4 +4.4 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 11.1 mm < 15.3 mm: lower excursion-limited SPL | + |
| JBL W15GTI | 25.2 -2.8 | 0.476 +0.06 | 132.2 -8.8 | 10.2 -5.1 | 92.5 +3.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 10.2 mm < 15.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 15NTLS3500 →
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.