18 Sound 12W501
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 46 Hz |
| Qts | 0.369 |
| Qes | 0.39 |
| Qms | 7 |
| Vas | 123 L |
| Sd | 531 cm² |
| Xmax | 4 mm |
| Re | 5.2 Ω |
| Bl | 12.2 T·m |
| Mms | 38.5 g |
| Pe | 350 W |
| Sensitivity | 98.7 dB |
Alignment hint
| EBP | 118 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 46 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 12W500 | 46 = | 0.36 -0.01 | 123 = | 4 = | 99.5 +0.8 | close | + | |
| Fane SOVEREIGN PRO 12-300 | 46 = | 0.35 -0.02 | 114 -9 | 4.5 +0.5 | 98.1 -0.6 | close | + | |
| Supravox 285 GMF v2008 | 47 +1 | 0.372 = | 150 +27 | 4 = | 98.9 +0.2 | close | 70 W vs 350 W: lower power handling | + |
| Supravox 285 GMF v2012 | 47 +1 | 0.372 = | 150 +27 | 4 = | 98.9 +0.2 | close | 70 W vs 350 W: lower power handling | + |
| Fane SOVEREIGN 12-300 v2014 | 46 = | 0.35 -0.02 | 110 -13 | 4.5 +0.5 | 98 -0.7 | close | + | |
| Beyma 12XM | 42 -4 | 0.348 -0.02 | 125 +2 | 4 = | 97.9 -0.8 | close | 250 W vs 350 W: lower power handling | + |
| Eminence DELTA PRO 12-450A | 44 -2 | 0.371 = | 141.7 +18.7 | 5.2 +1.2 | 98.9 +0.2 | close | + | |
| Fane SOVEREIGN PRO 12-350N | 46 = | 0.328 -0.04 | 114 -9 | 4.5 +0.5 | 98.4 -0.3 | close | + | |
| Monacor SP-12/200PA | 45 -1 | 0.328 -0.04 | 114 -9 | 4 = | 97.4 -1.3 | close | 200 W vs 350 W: lower power handling | + |
| 18 Sound 12W500 | 49 +3 | 0.35 -0.02 | 101 -22 | 4 = | 98.5 -0.2 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 12W501 →
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.