18 Sound 12NTLW2500
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 16 Ω |
| Fs | 62 Hz |
| Qts | 0.5 |
| Qes | 0.52 |
| Qms | 11.6 |
| Vas | 42 L |
| Sd | 531 cm² |
| Xmax | 7.6 mm |
| Re | 10.1 Ω |
| Bl | 21.8 T·m |
| Mms | 63 g |
| Pe | 500 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 119 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 42 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 12NTLW3500 | 57 -5 | 0.54 +0.04 | 40 -2 | 7.9 +0.3 | 95 -2 | close | + | |
| Faital PRO 12FH520 | 55 -7 | 0.47 -0.03 | 56.4 +14.4 | 7 -0.6 | 97 = | usable | Xmax 7 mm < 7.6 mm: lower excursion-limited SPL | + |
| 18 Sound 12NTLW2500 | 60 -2 | 0.38 -0.12 | 45 +3 | 7.6 = | 98.5 +1.5 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| Beyma 12MCS500-8 | 62 = | 0.417 -0.08 | 44 +2 | 4.9 -2.7 | 97.2 +0.2 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 4.9 mm < 7.6 mm: lower excursion-limited SPL | + |
| P.Audio SN-12MB mk2 | 62 = | 0.413 -0.09 | 43.6 +1.6 | 5 -2.6 | 97.6 +0.6 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 5 mm < 7.6 mm: lower excursion-limited SPL | + |
| P.Audio EM12-LB600 | 62 = | 0.431 -0.07 | 39.8 -2.2 | 4 -3.6 | 96.7 -0.3 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 4 mm < 7.6 mm: lower excursion-limited SPL | + |
| PD PD 124NR1 | 58 -4 | 0.354 -0.15 | 49 +7 | 7.4 -0.2 | 97.3 +0.3 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 7.4 mm < 7.6 mm: lower excursion-limited SPL | + |
| Precision Devices PD 124NR1 | 58 -4 | 0.354 -0.15 | 49 +7 | 7.4 -0.2 | 97.3 +0.3 | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 7.4 mm < 7.6 mm: lower excursion-limited SPL | + |
| Beyma 12"LX60V2 | 49 -13 | 0.38 -0.12 | 43 +1 | 9 +1.4 | 96 -1 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| 18 Sound 12NW530 | 55 -7 | 0.37 -0.13 | 36 -6 | 8 +0.4 | 96 -1 | usable | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the 12NTLW2500 →
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.