18 Sound 12NTLS3500
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 0.41 |
| Qes | 0.43 |
| Qms | 8.5 |
| Vas | 65 L |
| Sd | 531 cm² |
| Xmax | 7.9 mm |
| Re | 5.8 Ω |
| Bl | 17.8 T·m |
| Mms | 92 g |
| Pe | 750 W |
| Sensitivity | 93.5 dB |
Alignment hint
| EBP | 95 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 32.9 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 |
|---|---|---|---|---|---|---|---|---|
| Lavoce SSF122.50L | 41 = | 0.41 = | 59 -6 | 11.5 +3.6 | 91.3 -2.2 | close | 400 W vs 750 W: lower power handling | + |
| Sica 12 SR 3 CP | 37 -4 | 0.4 -0.01 | 60.9 -4.1 | 8 +0.1 | 92.2 -1.3 | close | 450 W vs 750 W: lower power handling | + |
| 18 Sound 12NTLS3500 | 41 = | 0.34 -0.07 | 63 -2 | 7.9 = | 94.5 +1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| SICA 12 S 3 CP | 44 +3 | 0.405 = | 67.5 +2.5 | 6 -1.9 | 95 +1.5 | close | 350 W vs 750 W: lower power handling · Xmax 6 mm < 7.9 mm: lower excursion-limited SPL | + |
| 18 Sound 12NLW9300 v2022 | 47 +6 | 0.416 +0.01 | 56 -9 | 8 +0.1 | 95.4 +1.9 | close | + | |
| SICA 12 SR 3 PL v2018 | 36 -5 | 0.418 +0.01 | 60.4 -4.6 | 7 -0.9 | 91.7 -1.8 | close | 400 W vs 750 W: lower power handling · Xmax 7 mm < 7.9 mm: lower excursion-limited SPL | + |
| Sica 12 SR 3 PL | 36 -5 | 0.42 +0.01 | 60.4 -4.6 | 7 -0.9 | 91.8 -1.7 | close | 400 W vs 750 W: lower power handling · Xmax 7 mm < 7.9 mm: lower excursion-limited SPL | + |
| Sica 12 PFS 3 | 43 +2 | 0.47 +0.06 | 58.5 -6.5 | 7 -0.9 | 93.6 +0.1 | close | 500 W vs 750 W: lower power handling · Xmax 7 mm < 7.9 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH500 16 Ohms | 48 +7 | 0.367 -0.04 | 66.6 +1.6 | 7.3 -0.6 | 92.8 -0.7 | close | 16 Ω vs 8 Ω: amp load changes · 500 W vs 750 W: lower power handling · Xmax 7.3 mm < 7.9 mm: lower excursion-limited SPL | + |
| P.Audio SN-12LF | 48 +7 | 0.399 -0.01 | 67.9 +2.9 | 7.2 -0.7 | 96 +2.5 | close | Xmax 7.2 mm < 7.9 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12NTLS3500 →
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.