Eminence SIGMA PRO 18 A2 (prodance)
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26 Hz |
| Qts | 0.299 |
| Qes | 0.31 |
| Qms | 8.18 |
| Vas | 613 L |
| Sd | 1140 cm² |
| Xmax | 6.1 mm |
| Re | 6.47 Ω |
| Bl | 19.5 T·m |
| Mms | 111.4 g |
| Pe | 650 W |
| Sensitivity | 98.3 dB |
Alignment hint
| EBP | 84 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 133.5 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 |
|---|---|---|---|---|---|---|---|---|
| MCM Electronics 55-2964 | 27 +1 | 0.313 +0.01 | 630.6 +17.6 | 6 -0.1 | 98.1 -0.2 | close | 300 W vs 650 W: lower power handling · Xmax 6 mm < 6.1 mm: lower excursion-limited SPL | + |
| Eminence SIGMA PRO 18 (prodance) | 26 = | 0.301 = | 523 -90 | 6.1 = | 98.4 +0.1 | close | + | |
| Eminence DELTA PRO 18 | 26 = | 0.301 = | 523 -90 | 6.7 +0.6 | 98.4 +0.1 | close | 500 W vs 650 W: lower power handling | + |
| Eminence DELTA PRO 18 (Prodance) | 26.6 +0.6 | 0.301 = | 533.6 -79.4 | 6.7 +0.6 | 98.8 +0.5 | close | 500 W vs 650 W: lower power handling | + |
| Eminence DELTA PRO 18 A | 26 = | 0.32 +0.02 | 493.2 -119.8 | 6.7 +0.6 | 98 -0.3 | close | 500 W vs 650 W: lower power handling | + |
| Eminence OMEGA PRO 18 A | 25 -1 | 0.308 +0.01 | 548.7 -64.3 | 4.8 -1.3 | 98.1 -0.2 | close | Xmax 4.8 mm < 6.1 mm: lower excursion-limited SPL | + |
| Eminence JAY7010 | 28.1 +2.1 | 0.314 +0.02 | 546.6 -66.4 | 9.1 +3 | 99.2 +0.9 | close | + | |
| Eminence OMEGA PRO 18 (Prodance) | 24.2 -1.8 | 0.316 +0.02 | 581.5 -31.5 | 4.8 -1.3 | 97.8 -0.5 | close | Xmax 4.8 mm < 6.1 mm: lower excursion-limited SPL | + |
| Dayton Audio PA460-8 18 | 26.2 +0.2 | 0.269 -0.03 | 473.5 -139.5 | 6 -0.1 | 98.6 +0.3 | close | 500 W vs 650 W: lower power handling · Xmax 6 mm < 6.1 mm: lower excursion-limited SPL | + |
| Dayton Audio PA460-8 18 PRO WOOFER | 26.2 +0.2 | 0.269 -0.03 | 473.5 -139.5 | 6 -0.1 | 98.6 +0.3 | close | 500 W vs 650 W: lower power handling · Xmax 6 mm < 6.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SIGMA PRO 18 A2 (prodance) →
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.