18 Sound 12LW800
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52 Hz |
| Qts | 0.29 |
| Qes | 0.3 |
| Qms | 7.6 |
| Vas | 48 L |
| Sd | 531 cm² |
| Xmax | 6.5 mm |
| Re | 5.6 Ω |
| Bl | 21.3 T·m |
| Mms | 76.5 g |
| Pe | 500 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 173 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.7 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 |
|---|---|---|---|---|---|---|---|---|
| Oberton 12MB35 | 51.43 -0.57 | 0.267 -0.02 | 50.07 +2.07 | 6.75 +0.25 | 98 +2 | close | + | |
| 18 Sound 12NTLW2500 | 52 = | 0.31 +0.02 | 52.7 +4.7 | 7.6 +1.1 | 97.5 +1.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 12 P1000/Nd | 47 -5 | 0.26 -0.03 | 49 +1 | 8 +1.5 | 96 = | close | + | |
| B&C 12FW88 | 53 +1 | 0.33 +0.04 | 45.7 -2.3 | 8 +1.5 | 97 +1 | close | + | |
| B&C 12NDL88 | 51 -1 | 0.27 -0.02 | 52 +4 | 8 +1.5 | 98 +2 | close | + | |
| SICA 12 K 4 PL 1400W | 50.4 -1.6 | 0.27 -0.02 | 43.3 -4.7 | 6 -0.5 | 94.8 -1.2 | close | Xmax 6 mm < 6.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12NTLW3500 | 53 +1 | 0.33 +0.04 | 45 -3 | 8.3 +1.8 | 97 +1 | close | + | |
| B&C 12 NDL 88 | 51 -1 | 0.274 -0.02 | 52 +4 | 5.7 -0.8 | 97.8 +1.8 | close | Xmax 5.7 mm < 6.5 mm: lower excursion-limited SPL | + |
| Sica 12 K 4 PL | 48.5 -3.5 | 0.25 -0.04 | 47.4 -0.6 | 7 +0.5 | 97.1 +1.1 | close | + | |
| Beyma 12SW1300ND | 45 -7 | 0.264 -0.03 | 45 -3 | 7 +0.5 | 95.9 -0.1 | close | + |
Compare the closest 3 against the 12LW800 →
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.