Eminence BETA 12
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50 Hz |
| Qts | 0.519 |
| Qes | 0.57 |
| Qms | 5.82 |
| Vas | 114.7 L |
| Sd | 532.4 cm² |
| Xmax | 4.4 mm |
| Re | 7.07 Ω |
| Bl | 11.7 T·m |
| Mms | 35.1 g |
| Pe | 250 W |
| Sensitivity | 96.5 dB |
Alignment hint
| EBP | 88 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 134 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 |
|---|---|---|---|---|---|---|---|---|
| Davis 31TCA12 vp3 | 49.1 -0.9 | 0.452 -0.07 | 115.6 +0.9 | 5.6 +1.2 | 97.3 +0.8 | close | + | |
| Davis 31TCA12 vp | 49.1 -0.9 | 0.459 -0.06 | 107.8 -6.9 | 5.5 +1.1 | 96.9 +0.4 | close | + | |
| Davis 31TCA12 vp2 | 46.4 -3.6 | 0.449 -0.07 | 113.1 -1.6 | 5.7 +1.3 | 96.4 -0.1 | close | + | |
| Faital PRO 12PR300 | 50 = | 0.49 -0.03 | 89.7 -25 | 4.92 +0.52 | 97 +0.5 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Eminence BETA 12A | 47 -3 | 0.462 -0.06 | 120 +5.3 | 4.4 = | 98 +1.5 | close | + | |
| Eminence BETA 12A2 | 47 -3 | 0.462 -0.06 | 120.1 +5.4 | 4.4 = | 98 +1.5 | close | + | |
| Eminence BETA-12A | 47 -3 | 0.46 -0.06 | 120.1 +5.4 | 4.4 = | 98 +1.5 | close | + | |
| Faital PRO 12PR320 | 45 -5 | 0.52 = | 96.7 -18 | 7.27 +2.87 | 96 -0.5 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 12 HPL 51 | 51 +1 | 0.479 -0.04 | 96 -18.7 | 4 -0.4 | 97.3 +0.8 | close | 150 W vs 250 W: lower power handling · Xmax 4 mm < 4.4 mm: lower excursion-limited SPL | + |
| Audax 330 | 48.1 -1.9 | 0.468 -0.05 | 93.7 -21 | 4.5 +0.1 | 95.9 -0.6 | close | 150 W vs 250 W: lower power handling | + |
Compare the closest 3 against the BETA 12 →
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.