Eminence ALPHA-6CBMRA
Thiele-Small parameters
| Nominal size | 6" |
|---|---|
| Impedance | 8 Ω |
| Fs | 407 Hz |
| Qts | 1.35 |
| Qes | 1.74 |
| Qms | 6.04 |
| Vas | 0.45 L |
| Sd | 126.7 cm² |
| Xmax | 1.5 mm |
| Re | 5.26 Ω |
| Bl | 7.86 T·m |
| Mms | 8 g |
| Pe | 100 W |
| Sensitivity | 97.8 dB |
Alignment hint
| EBP | 234 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 LA6-CBMR | 460 +53 | 0.89 -0.46 | 0.4 -0.05 | 0.2 -1.3 | 97.8 = | risky | Xmax 0.2 mm < 1.5 mm: lower excursion-limited SPL | + |
| LaVoce MAN061.80 | 172 -235 | 0.57 -0.78 | 1.59 +1.14 | 3 +1.5 | 94.5 -3.3 | risky | + | |
| LaVoce MAF061.50 | 177 -230 | 0.52 -0.83 | 1.9 +1.45 | 3.6 +2.1 | 96.5 -1.3 | risky | + | |
| Faital PRO 6FE200 | 120 -287 | 0.67 -0.68 | 3.6 +3.15 | 4.67 +3.17 | 95 -2.8 | risky | + | |
| Faital PRO 6FE200 | 120 -287 | 0.66 -0.69 | 4.2 +3.75 | 4.17 +2.67 | 95 -2.8 | risky | 16 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 6PR130 | 175 -232 | 0.48 -0.87 | 4.2 +3.75 | 4.6 +3.1 | 101 +3.2 | risky | + | |
| Eminence BETA-6A | 123 -284 | 0.56 -0.79 | 3.51 +3.06 | 4.5 +3 | 94 -3.8 | risky | + | |
| Sica 6 D 1.5 CS | 108.5 -298.5 | 0.63 -0.72 | 4.4 +3.95 | 1.5 = | 91.7 -6.1 | risky | + | |
| Sica 6 M 2 CP | 135 -272 | 0.35 -1 | 3.5 +3.05 | 2 +0.5 | 96.8 -1 | risky | 4 Ω vs 8 Ω: amp load changes | + |
| Sica 6 D 1.5 SL | 110 -297 | 0.46 -0.89 | 4 +3.55 | 1.5 = | 93.9 -3.9 | risky | + |
Compare the closest 3 against the ALPHA-6CBMRA →
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.