Eminence LEGEND EM 12
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.279 |
| Qes | 0.29 |
| Qms | 7.39 |
| Vas | 102.3 L |
| Sd | 532.4 cm² |
| Xmax | 1.3 mm |
| Re | 6.6 Ω |
| Bl | 16.9 T·m |
| Mms | 41 g |
| Pe | 200 W |
| Sensitivity | 99 dB |
Alignment hint
| EBP | 169 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 18.9 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-30PACT | 47 -2 | 0.277 = | 107 +4.7 | 2 +0.7 | 99.5 +0.5 | close | + | |
| Monacor SP-30PATC | 47 -2 | 0.277 = | 107 +4.7 | 2 +0.7 | 99.5 +0.5 | close | + | |
| Altec 917-8A | 45.3 -3.7 | 0.298 +0.02 | 95.1 -7.2 | 1.3 = | 97.5 -1.5 | close | 60 W vs 200 W: lower power handling | + |
| Eighteen Sound 12ND520 | 50 +1 | 0.27 -0.01 | 111 +8.7 | 4 +2.7 | 98.7 -0.3 | close | + | |
| Fertin Acoustics 30AP | 42 -7 | 0.282 = | 101 -1.3 | 2 +0.7 | 97.3 -1.7 | close | 30 W vs 200 W: lower power handling | + |
| Fertin Acoustics 30S | 42 -7 | 0.282 = | 101 -1.3 | 2 +0.7 | 97.2 -1.8 | close | 30 W vs 200 W: lower power handling | + |
| 18 Sound 12NMB420 | 53 +4 | 0.28 = | 105 +2.7 | 4 +2.7 | 100.5 +1.5 | close | + | |
| Benett 12.180 X/N | 49 = | 0.325 +0.05 | 100.9 -1.4 | 3 +1.7 | 98.5 -0.5 | close | 100 W vs 200 W: lower power handling | + |
| Eminence KAPPA-12A | 45 -4 | 0.27 -0.01 | 112.1 +9.8 | 3.2 +1.9 | 99.3 +0.3 | close | + | |
| Eminence KAPPA 12 | 45 -4 | 0.27 -0.01 | 112.1 +9.8 | 3.2 +1.9 | 99.3 +0.3 | close | + |
Compare the closest 3 against the LEGEND EM 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.