18 Sound 12W500
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 49 Hz |
| Qts | 0.35 |
| Qes | 0.37 |
| Qms | 6.1 |
| Vas | 101 L |
| Sd | 531 cm² |
| Xmax | 4 mm |
| Re | 2.7 Ω |
| Bl | 9.6 T·m |
| Mms | 36.5 g |
| Pe | 350 W |
| Sensitivity | 98.5 dB |
Alignment hint
| EBP | 132 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 32.8 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 |
|---|---|---|---|---|---|---|---|---|
| Fane SOVEREIGN 12-300 v2014 | 46 -3 | 0.35 = | 110 +9 | 4.5 +0.5 | 98 -0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 12PR300 | 50 +1 | 0.36 +0.01 | 92.6 -8.4 | 4.92 +0.92 | 99 +0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Fane SOVEREIGN 12-300 | 50 +1 | 0.389 +0.04 | 103.6 +2.6 | 4.5 +0.5 | 98.4 -0.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Fane SOVEREIGN PRO 12-300 | 46 -3 | 0.35 = | 114 +13 | 4.5 +0.5 | 98.1 -0.4 | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF MB 12N251 | 50 +1 | 0.338 -0.01 | 83 -18 | 5 +1 | 98.5 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| Fane SOVEREIGN PRO 12-350N | 46 -3 | 0.328 -0.02 | 114 +13 | 4.5 +0.5 | 98.4 -0.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Benett 12.180 X/N | 49 = | 0.325 -0.02 | 100.9 -0.1 | 3 -1 | 98.5 = | close | 8 Ω vs 4 Ω: amp load changes · 100 W vs 350 W: lower power handling · Xmax 3 mm < 4 mm: lower excursion-limited SPL | + |
| Eminence DELTA PRO 12A | 51 +2 | 0.35 = | 81.7 -19.3 | 4.6 +0.6 | 99.2 +0.7 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 12PR300 v2015 | 50 +1 | 0.357 +0.01 | 79.2 -21.8 | 4.9 +0.9 | 98 -0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 12W501 | 46 -3 | 0.369 +0.02 | 123 +22 | 4 = | 98.7 +0.2 | close | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the 12W500 →
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.