Eminence ALPHA-15A
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 1.26 |
| Qes | 1.53 |
| Qms | 7.23 |
| Vas | 260 L |
| Sd | 856.3 cm² |
| Xmax | 3.8 mm |
| Re | 5.88 Ω |
| Bl | 7.7 T·m |
| Mms | 59 g |
| Pe | 200 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 27 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
EBP < 50: favours a sealed (closed) 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 ALPHA 15 | 41 = | 1.263 = | 260 = | 3.8 = | 94 -3 | close | + | |
| Eminence ALPHA 15 A | 41 = | 1.263 = | 260 = | 3.8 = | 94 -3 | close | + | |
| Jinwey YDA-380-4 | 34.3 -6.7 | 1.186 -0.07 | 252.9 -7.1 | 3 -0.8 | 93.9 -3.1 | usable | 4 Ω vs 8 Ω: amp load changes · 120 W vs 200 W: lower power handling · Xmax 3 mm < 3.8 mm: lower excursion-limited SPL | + |
| Community 109567 | 42.4 +1.4 | 0.95 -0.31 | 282.3 +22.3 | 3 -0.8 | 96.7 -0.3 | usable | 100 W vs 200 W: lower power handling · Xmax 3 mm < 3.8 mm: lower excursion-limited SPL | + |
| Carpower SP-382C | 30 -11 | 1.279 +0.02 | 320 +60 | 3.5 -0.3 | 92.1 -4.9 | usable | 4 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling · Xmax 3.5 mm < 3.8 mm: lower excursion-limited SPL | + |
| Eminence FAS 154 | 38.3 -2.7 | 0.868 -0.39 | 211 -49 | 7.2 +3.4 | 96.2 -0.8 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Goldwood GW-215/40/8 | 30.5 -10.5 | 1.087 -0.17 | 261.2 +1.2 | 3.5 -0.3 | 89.8 -7.2 | usable | 150 W vs 200 W: lower power handling · Xmax 3.5 mm < 3.8 mm: lower excursion-limited SPL | + |
| LaVoce LBASS15-15 | 37 -4 | 0.74 -0.52 | 284.84 +24.84 | 4.7 +0.9 | 96 -1 | usable | 100 W vs 200 W: lower power handling | + |
| Eminence OB A15 NEO | 40.4 -0.6 | 0.723 -0.54 | 234 -26 | 6 +2.2 | 95.7 -1.3 | usable | + | |
| GRS 15PF-8 | 29 -12 | 1.394 +0.13 | 265.9 +5.9 | 4 +0.2 | 87.7 -9.3 | usable | 150 W vs 200 W: lower power handling | + |
Compare the closest 3 against the ALPHA-15A →
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.