Eminence ALPHA 5-8
Thiele-Small parameters
| Nominal size | 5" |
|---|---|
| Impedance | 8 Ω |
| Fs | 87 Hz |
| Qts | 0.54 |
| Qes | 0.56 |
| Qms | 11.81 |
| Vas | 6.14 L |
| Sd | 102.6 cm² |
| Xmax | 5.92 mm |
| Re | 5 Ω |
| Bl | 6.22 T·m |
| Mms | 8 g |
| Pe | 125 W |
| Sensitivity | 89.4 dB |
Alignment hint
| EBP | 155 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 8.6 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 5FE120 | 65 -22 | 0.51 -0.03 | 6.6 +0.46 | 5.25 -0.67 | 89 -0.4 | usable | 16 Ω vs 8 Ω: amp load changes · 80 W vs 125 W: lower power handling · Xmax 5.25 mm < 5.92 mm: lower excursion-limited SPL | + |
| Sica 5 D 1 CS | 79 -8 | 0.52 -0.02 | 5.5 -0.64 | 3 -2.92 | 90 +0.6 | usable | 60 W vs 125 W: lower power handling · Xmax 3 mm < 5.92 mm: lower excursion-limited SPL | + |
| Beyma 5"MP60/N | 63 -24 | 0.46 -0.08 | 5.8 -0.34 | 5.5 -0.42 | 88 -1.4 | usable | 50 W vs 125 W: lower power handling · Xmax 5.5 mm < 5.92 mm: lower excursion-limited SPL | + |
| Faital PRO 5FE120 | 65 -22 | 0.48 -0.06 | 5.4 -0.74 | 5.25 -0.67 | 88 -1.4 | usable | 80 W vs 125 W: lower power handling · Xmax 5.25 mm < 5.92 mm: lower excursion-limited SPL | + |
| Faital PRO 5FE125 | 65 -22 | 0.48 -0.06 | 5.4 -0.74 | 5.25 -0.67 | 88 -1.4 | usable | 80 W vs 125 W: lower power handling · Xmax 5.25 mm < 5.92 mm: lower excursion-limited SPL | + |
| Faital PRO 5FE100 | 65 -22 | 0.45 -0.09 | 5.7 -0.44 | 5.25 -0.67 | 88 -1.4 | usable | 80 W vs 125 W: lower power handling · Xmax 5.25 mm < 5.92 mm: lower excursion-limited SPL | + |
| Faital PRO 5FE105 | 65 -22 | 0.45 -0.09 | 5.7 -0.44 | 5.25 -0.67 | 88 -1.4 | usable | 80 W vs 125 W: lower power handling · Xmax 5.25 mm < 5.92 mm: lower excursion-limited SPL | + |
| Beyma 5P200Fe | 72 -15 | 0.33 -0.21 | 5.7 -0.44 | 5.7 -0.22 | 92 +2.6 | usable | Xmax 5.7 mm < 5.92 mm: lower excursion-limited SPL | + |
| Faital PRO 5FE120 | 65 -22 | 0.38 -0.16 | 5 -1.14 | 5.2 -0.72 | 88 -1.4 | usable | 4 Ω vs 8 Ω: amp load changes · 80 W vs 125 W: lower power handling · Xmax 5.2 mm < 5.92 mm: lower excursion-limited SPL | + |
| BMS 5S117 | 95 +8 | 0.42 -0.12 | 3.25 -2.89 | 5 -0.92 | 91 +1.6 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 5 mm < 5.92 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the ALPHA 5-8 →
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.