Eminence BETA 12LT
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.507 |
| Qes | 0.55 |
| Qms | 6.44 |
| Vas | 136.3 L |
| Sd | 532.4 cm² |
| Xmax | 3.2 mm |
| Re | 7.37 Ω |
| Bl | 11.8 T·m |
| Mms | 36.5 g |
| Pe | 225 W |
| Sensitivity | 95.9 dB |
Alignment hint
| EBP | 82 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 144.2 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence BETA-12LTA | 45 = | 0.51 = | 136.3 = | 3.2 = | 95.4 -0.5 | close | + | |
| Conrad PA 12 | 42.9 -2.1 | 0.462 -0.04 | 129.2 -7.1 | 4 +0.8 | 95.2 -0.7 | close | + | |
| Audax LFP501 | 40 -5 | 0.521 +0.01 | 138 +1.7 | 4.5 +1.3 | 94.6 -1.3 | close | 150 W vs 225 W: lower power handling | + |
| Audax PR30ST100 | 40 -5 | 0.521 +0.01 | 138 +1.7 | 4.5 +1.3 | 94.6 -1.3 | close | 100 W vs 225 W: lower power handling | + |
| Eminence BETA 12CX | 47 +2 | 0.48 -0.03 | 120.94 -15.36 | 3.5 +0.3 | 97.3 +1.4 | close | + | |
| Eminence BETA 12CX v2019 | 47 +2 | 0.476 -0.03 | 120.9 -15.4 | 3.5 +0.3 | 97.5 +1.6 | close | + | |
| Philips AD12202/M8 | 45.6 +0.6 | 0.419 -0.09 | 138 +1.7 | 4 +0.8 | 96.8 +0.9 | close | 100 W vs 225 W: lower power handling | + |
| Eminence BETA 12CX | 43 -2 | 0.474 -0.03 | 161 +24.7 | 3.5 +0.3 | 97.5 +1.6 | close | + | |
| Eminence BETA 12 | 50 +5 | 0.519 +0.01 | 114.7 -21.6 | 4.4 +1.2 | 96.5 +0.6 | close | + | |
| MCM Electronics 55-2973 | 42 -3 | 0.481 -0.03 | 122.6 -13.7 | 5 +1.8 | 94.5 -1.4 | close | 120 W vs 225 W: lower power handling | + |
Compare the closest 3 against the BETA 12LT →
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.