Eminence IMPERO 12 A
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42.8 Hz |
| Qts | 0.322 |
| Qes | 0.33 |
| Qms | 13.84 |
| Vas | 70.2 L |
| Sd | 545.4 cm² |
| Xmax | 6.2 mm |
| Re | 5.58 Ω |
| Bl | 19.3 T·m |
| Mms | 82.3 g |
| Pe | 1100 W |
| Sensitivity | 95.8 dB |
Alignment hint
| EBP | 130 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 18.4 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 |
|---|---|---|---|---|---|---|---|---|
| Sica 12 S 3 PL | 42 -0.8 | 0.34 +0.02 | 76.9 +6.7 | 7 +0.8 | 95.8 = | close | 400 W vs 1100 W: lower power handling | + |
| SICA 12 S 3 CP v2018 | 42 -0.8 | 0.34 +0.02 | 76.9 +6.7 | 6 -0.2 | 95.8 = | close | 350 W vs 1100 W: lower power handling · Xmax 6 mm < 6.2 mm: lower excursion-limited SPL | + |
| Precision Devices PD.123C01 | 46 +3.2 | 0.32 = | 66.82 -3.38 | 7 +0.8 | 94.9 -0.9 | close | 400 W vs 1100 W: lower power handling | + |
| Precision Devices PD.12SB30 | 47 +4.2 | 0.31 -0.01 | 66.82 -3.38 | 7 +0.8 | 95.2 -0.6 | close | 400 W vs 1100 W: lower power handling | + |
| Precision Devices PD 123C01 | 46 +3.2 | 0.314 -0.01 | 66.8 -3.4 | 5.6 -0.6 | 96.4 +0.6 | close | 400 W vs 1100 W: lower power handling · Xmax 5.6 mm < 6.2 mm: lower excursion-limited SPL | + |
| B&C 12 PS 32 | 44 +1.2 | 0.348 +0.03 | 82 +11.8 | 6 -0.2 | 95.8 = | close | 700 W vs 1100 W: lower power handling · Xmax 6 mm < 6.2 mm: lower excursion-limited SPL | + |
| 18 Sound 12NTLX3500 | 39 -3.8 | 0.33 +0.01 | 79.6 +9.4 | 7.9 +1.7 | 95.5 -0.3 | close | 600 W vs 1100 W: lower power handling | + |
| LaVoce NBASS12-30-16 | 48 +5.2 | 0.34 +0.02 | 69.83 -0.37 | 7.3 +1.1 | 97.5 +1.7 | close | 16 Ω vs 8 Ω: amp load changes · 400 W vs 1100 W: lower power handling | + |
| 18 Sound 12NTLS3500 | 41 -1.8 | 0.34 +0.02 | 63 -7.2 | 7.9 +1.7 | 94.5 -1.3 | close | 4 Ω vs 8 Ω: amp load changes · 750 W vs 1100 W: lower power handling | + |
| Beyma 12"G40 | 44 +1.2 | 0.3 -0.02 | 81 +10.8 | 7 +0.8 | 97 +1.2 | close | 500 W vs 1100 W: lower power handling | + |
Compare the closest 3 against the IMPERO 12 A →
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.