Eminence GAMMA 15
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 33 Hz |
| Qts | 0.301 |
| Qes | 0.32 |
| Qms | 5.13 |
| Vas | 314.1 L |
| Sd | 856.3 cm² |
| Xmax | 3 mm |
| Re | 5.98 Ω |
| Bl | 17.2 T·m |
| Mms | 76.1 g |
| Pe | 300 W |
| Sensitivity | 98.7 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 69.5 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence GAMMA 15 A2 | 33 = | 0.301 = | 314.1 = | 3 = | 98.7 = | close | + | |
| Beyma 15G350 | 34 +1 | 0.293 -0.01 | 302 -12.1 | 4.5 +1.5 | 99 +0.3 | close | + | |
| Eminence KAPPA 15 A | 33 = | 0.318 +0.02 | 321.3 +7.2 | 5.5 +2.5 | 99.3 +0.6 | close | + | |
| Eminence KAPPA-15A | 33 = | 0.32 +0.02 | 321.3 +7.2 | 4 +1 | 100.5 +1.8 | close | + | |
| Audax PR38EX66UST | 33 = | 0.344 +0.04 | 309 -5.1 | 4 +1 | 97.9 -0.8 | close | 150 W vs 300 W: lower power handling | + |
| Gauss 4583A v2 | 31 -2 | 0.292 -0.01 | 283 -31.1 | 4 +1 | 97.9 -0.8 | close | 150 W vs 300 W: lower power handling | + |
| AE Speakers TD15M | 34.7 +1.7 | 0.327 +0.03 | 312 -2.1 | 6 +3 | 98.5 -0.2 | close | + | |
| AE Speakers TD15M 8 Ohms | 34.7 +1.7 | 0.327 +0.03 | 312 -2.1 | 6 +3 | 98.5 -0.2 | close | + | |
| Focal AUDIOM 15B | 31.6 -1.4 | 0.282 -0.02 | 330 +15.9 | 6 +3 | 98.8 +0.1 | close | 225 W vs 300 W: lower power handling | + |
| Beyma 15LW30 | 32 -1 | 0.28 -0.02 | 325 +10.9 | 7 +4 | 98.8 +0.1 | close | + |
Compare the closest 3 against the GAMMA 15 →
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.