18 Sound 12W750
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 55 Hz |
| Qts | 0.27 |
| Qes | 0.28 |
| Qms | 5 |
| Vas | 58 L |
| Sd | 531 cm² |
| Xmax | 7 mm |
| Re | 3.4 Ω |
| Bl | 15.5 T·m |
| Mms | 58 g |
| Pe | 600 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 196 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.9 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 12MCB700 | 51 -4 | 0.27 = | 59.5 +1.5 | 7 = | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 12FH520 | 50 -5 | 0.27 = | 65.5 +7.5 | 7 = | 97 = | close | + | |
| B&C 12NDL88 | 51 -4 | 0.27 = | 52 -6 | 8 +1 | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Oberton 12MB35 | 51.43 -3.57 | 0.267 = | 50.07 -7.93 | 6.75 -0.25 | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 6.75 mm < 7 mm: lower excursion-limited SPL | + |
| Fane Colossus 12MB | 55 = | 0.286 +0.02 | 56 -2 | 5.5 -1.5 | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5.5 mm < 7 mm: lower excursion-limited SPL | + |
| Beyma 12MC700Nd | 51 -4 | 0.24 -0.03 | 58 = | 7 = | 99 +2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 12NDL88 | 48 -7 | 0.24 -0.03 | 57 -1 | 8 +1 | 97 = | close | + | |
| 18 Sound 12NTLW2500 | 52 -3 | 0.31 +0.04 | 52.7 -5.3 | 7.6 +0.6 | 97.5 +0.5 | close | + | |
| B&C 12 NDL 88 | 51 -4 | 0.274 = | 52 -6 | 5.7 -1.3 | 97.8 +0.8 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5.7 mm < 7 mm: lower excursion-limited SPL | + |
| 18 Sound 12W750 | 55 = | 0.33 +0.06 | 61 +3 | 8 +1 | 98 +1 | close | 16 Ω vs 4 Ω: amp load changes | + |
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.