Eminence LTD-12MK2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 37.9 Hz |
| Qts | 0.485 |
| Qes | 0.51 |
| Qms | 10.04 |
| Vas | 123.2 L |
| Sd | 532.4 cm² |
| Xmax | 5.6 mm |
| Re | 2.65 Ω |
| Bl | 8.4 T·m |
| Mms | 57 g |
| Pe | 150 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 74 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 109.5 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 |
|---|---|---|---|---|---|---|---|---|
| MCM Electronics 55-3212 | 38.5 +0.6 | 0.477 -0.01 | 122.6 -0.6 | 4.7 -0.9 | 96.6 -1.4 | close | 100 W vs 150 W: lower power handling · Xmax 4.7 mm < 5.6 mm: lower excursion-limited SPL | + |
| MCM Electronics 55-3233 | 42 +4.1 | 0.459 -0.03 | 122.6 -0.6 | 4.9 -0.7 | 98 = | close | Xmax 4.9 mm < 5.6 mm: lower excursion-limited SPL | + |
| Visaton BZ300 4 Ohms | 36 -1.9 | 0.483 = | 129 +5.8 | 5 -0.6 | 95.7 -2.3 | close | Xmax 5 mm < 5.6 mm: lower excursion-limited SPL | + |
| MCM Electronics 55-2973 | 42 +4.1 | 0.481 = | 122.6 -0.6 | 5 -0.6 | 94.5 -3.5 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 5.6 mm: lower excursion-limited SPL | + |
| Focal W31B | 40 +2.1 | 0.58 +0.09 | 125 +1.8 | 6 +0.4 | 95.8 -2.2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Infinity KAPPA CS 120 BR | 35.2 -2.7 | 0.397 -0.09 | 123.2 = | 8 +2.4 | 97.1 -0.9 | close | + | |
| Davis 31TCA12 vp3 | 49.1 +11.2 | 0.452 -0.03 | 115.6 -7.6 | 5.6 = | 97.3 -0.7 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence BETA 12A2 | 47 +9.1 | 0.462 -0.02 | 120.1 -3.1 | 4.4 -1.2 | 98 = | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 4.4 mm < 5.6 mm: lower excursion-limited SPL | + |
| Eminence BETA 12A | 47 +9.1 | 0.462 -0.02 | 120 -3.2 | 4.4 -1.2 | 98 = | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 4.4 mm < 5.6 mm: lower excursion-limited SPL | + |
| Davis 31TCA12 vp2 | 46.4 +8.5 | 0.449 -0.04 | 113.1 -10.1 | 5.7 +0.1 | 96.4 -1.6 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the LTD-12MK2 →
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.