Eminence OMEGA PRO-18A
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 25 Hz |
| Qts | 0.31 |
| Qes | 0.32 |
| Qms | 8.18 |
| Vas | 548.7 L |
| Sd | 1159 cm² |
| Xmax | 4.8 mm |
| Re | 5.2 Ω |
| Bl | 18.8 T·m |
| Mms | 137 g |
| Pe | 800 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 78 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 130.6 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence OMEGA PRO 18 A | 25 = | 0.308 = | 548.7 = | 4.8 = | 98.1 +1.1 | close | + | |
| Eminence OMEGA PRO 18 (Prodance) | 24.2 -0.8 | 0.316 +0.01 | 581.5 +32.8 | 4.8 = | 97.8 +0.8 | close | + | |
| Eminence SIGMA PRO 18 (prodance) | 26 +1 | 0.301 -0.01 | 523 -25.7 | 6.1 +1.3 | 98.4 +1.4 | close | + | |
| Eminence DELTA PRO 18 | 26 +1 | 0.301 -0.01 | 523 -25.7 | 6.7 +1.9 | 98.4 +1.4 | close | 500 W vs 800 W: lower power handling | + |
| Eminence DELTA PRO 18 (Prodance) | 26.6 +1.6 | 0.301 -0.01 | 533.6 -15.1 | 6.7 +1.9 | 98.8 +1.8 | close | 500 W vs 800 W: lower power handling | + |
| Eminence DELTA PRO 18 A | 26 +1 | 0.32 +0.01 | 493.2 -55.5 | 6.7 +1.9 | 98 +1 | close | 500 W vs 800 W: lower power handling | + |
| Eminence SIGMA PRO 18 A2 (prodance) | 26 +1 | 0.299 -0.01 | 613 +64.3 | 6.1 +1.3 | 98.3 +1.3 | close | + | |
| MCM Electronics 55-2964 | 27 +2 | 0.313 = | 630.6 +81.9 | 6 +1.2 | 98.1 +1.1 | close | 300 W vs 800 W: lower power handling | + |
| Electro-Voice DL18MT | 24 -1 | 0.269 -0.04 | 580.5 +31.8 | 5.59 +0.79 | 96.6 -0.4 | close | 400 W vs 800 W: lower power handling | + |
| Eminence KAPPA 18 | 28 +3 | 0.32 +0.01 | 493.2 -55.5 | 4.8 = | 98.9 +1.9 | close | 500 W vs 800 W: lower power handling | + |
Compare the closest 3 against the OMEGA PRO-18A →
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.