18 Sound 12W750
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.28 |
| Qes | 0.3 |
| Qms | 7 |
| Vas | 73 L |
| Sd | 531 cm² |
| Xmax | 8 mm |
| Re | 5.2 Ω |
| Bl | 18 T·m |
| Mms | 57 g |
| Pe | 600 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 163 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 13.6 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 12FH520 | 50 +1 | 0.29 +0.01 | 73.7 +0.7 | 7.25 -0.75 | 98 +1 | close | Xmax 7.25 mm < 8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH520 | 50 +1 | 0.27 -0.01 | 65.5 -7.5 | 7 -1 | 97 = | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH530 | 45 -4 | 0.26 -0.02 | 74.1 +1.1 | 7.5 -0.5 | 98 +1 | close | Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH510 | 45 -4 | 0.25 -0.03 | 75.2 +2.2 | 7.5 -0.5 | 97 = | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| B&C 12NDL76 | 50 +1 | 0.27 -0.01 | 69 -4 | 7 -1 | 100 +3 | close | 16 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL | + |
| Ciare NDC 12-3 | 45.5 -3.5 | 0.285 = | 73.6 +0.6 | 5.4 -2.6 | 97 = | close | 400 W vs 600 W: lower power handling · Xmax 5.4 mm < 8 mm: lower excursion-limited SPL | + |
| RCF MB 12X301 | 50 +1 | 0.29 +0.01 | 70 -3 | 5.9 -2.1 | 98.3 +1.3 | close | Xmax 5.9 mm < 8 mm: lower excursion-limited SPL | + |
| LaVoce NBASS12-30 | 46 -3 | 0.26 -0.02 | 68.63 -4.37 | 6.6 -1.4 | 97.5 +0.5 | close | 400 W vs 600 W: lower power handling · Xmax 6.6 mm < 8 mm: lower excursion-limited SPL | + |
| 18 Sound 12ND830 | 55 +6 | 0.28 = | 72 -1 | 6.5 -1.5 | 99 +2 | close | 450 W vs 600 W: lower power handling · Xmax 6.5 mm < 8 mm: lower excursion-limited SPL | + |
| Oberton 12B401 | 46.63 -2.37 | 0.245 -0.04 | 69.6 -3.4 | 6.75 -1.25 | 97 = | close | 400 W vs 600 W: lower power handling · Xmax 6.75 mm < 8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12W750 →
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.