EMS LB12EX_10V
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 16 Ω |
| Fs | 34 Hz |
| Qts | 0.286 |
| Qes | 0.299 |
| Qms | 6.739 |
| Vas | 200 L |
| Sd | 498.1 cm² |
| Xmax | 3 mm |
| Re | 11.7 Ω |
| Bl | 17.8 T·m |
| Mms | 38.1 g |
| Pe | 40 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 114 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 39.1 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 |
|---|---|---|---|---|---|---|---|---|
| EMS LB12EX_12V | 34 = | 0.232 -0.05 | 200 = | 3 = | 95.5 +1 | close | + | |
| AE Speakers TD12X | 33.9 -0.1 | 0.284 = | 159.4 -40.6 | 7 +4 | 95.4 +0.9 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Davis 31TCA12 v2009 | 32.5 -1.5 | 0.31 +0.02 | 222 +22 | 6 +3 | 95.9 +1.4 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Visaton WS33NG | 30 -4 | 0.308 +0.02 | 190 -10 | 8 +5 | 94.5 = | close | 8 Ω vs 16 Ω: amp load changes | + |
| Goodmans AXIOM 301 vp | 36.4 +2.4 | 0.277 -0.01 | 234.1 +34.1 | 3.2 +0.2 | 98 +3.5 | close | 8 Ω vs 16 Ω: amp load changes | + |
| EMS LB12 | 34 = | 0.214 -0.07 | 200 = | 3 = | 95.8 +1.3 | close | + | |
| EMS LB12 MKII | 34 = | 0.214 -0.07 | 200 = | 3 = | 95.8 +1.3 | close | + | |
| Beyma 12B100R v1 | 26 -8 | 0.259 -0.03 | 195 -5 | 3 = | 94.3 -0.2 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| Visaton TD | 31 -3 | 0.324 +0.04 | 200 = | 7.3 +4.3 | 95.5 +1 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| Davis 31TCA12 vp rc | 32.5 -1.5 | 0.314 +0.03 | 222 +22 | 6 +3 | 96.2 +1.7 | usable | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the LB12EX_10V →
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.