Eminence DELTA 12 A
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 51 Hz |
| Qts | 0.353 |
| Qes | 0.37 |
| Qms | 7.56 |
| Vas | 81.7 L |
| Sd | 532.4 cm² |
| Xmax | 2.4 mm |
| Re | 5.71 Ω |
| Bl | 15.3 T·m |
| Mms | 47.4 g |
| Pe | 400 W |
| Sensitivity | 98.1 dB |
Alignment hint
| EBP | 138 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 27.1 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence DELTA PRO 12 | 51 = | 0.353 = | 81.7 = | 3.2 +0.8 | 98.1 = | close | + | |
| Eminence DELTA PRO 12 A | 51 = | 0.353 = | 81.7 = | 6.2 +3.8 | 98.1 = | close | + | |
| Eminence DELTA PRO 12 A vp | 51 = | 0.353 = | 81.7 = | 6.2 +3.8 | 98.1 = | close | + | |
| Eminence DELTA PRO 12A | 51 = | 0.35 = | 81.7 = | 4.6 +2.2 | 99.2 +1.1 | close | + | |
| Ciare PW320ND | 49 -2 | 0.345 -0.01 | 87 +5.3 | 3 +0.6 | 97.8 -0.3 | close | 150 W vs 400 W: lower power handling | + |
| Faital PRO 12PR300 v2015 | 50 -1 | 0.357 = | 79.2 -2.5 | 4.9 +2.5 | 98 -0.1 | close | 300 W vs 400 W: lower power handling | + |
| PD P12/150 | 51 = | 0.318 -0.03 | 80 -1.7 | 2.3 -0.1 | 98.2 +0.1 | close | 150 W vs 400 W: lower power handling · Xmax 2.3 mm < 2.4 mm: lower excursion-limited SPL | + |
| Precision Devices P12/150 | 51 = | 0.318 -0.03 | 80 -1.7 | 2.3 -0.1 | 98.2 +0.1 | close | 150 W vs 400 W: lower power handling · Xmax 2.3 mm < 2.4 mm: lower excursion-limited SPL | + |
| Sica 12 L1 2.5 SL | 47.5 -3.5 | 0.36 +0.01 | 81.8 +0.1 | 3.7 +1.3 | 97.3 -0.8 | close | 300 W vs 400 W: lower power handling | + |
| Audax PR330T2 4 Ohms | 46.8 -4.2 | 0.354 = | 80.1 -1.6 | 3.4 +1 | 99.3 +1.2 | close | 4 Ω vs 8 Ω: amp load changes · 150 W vs 400 W: lower power handling | + |
Compare the closest 3 against the DELTA 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.