Audax Excitation 28V
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 148.6 Hz |
| Qts | 2.324 |
| Qes | 2.63 |
| Qms | 19.95 |
| Vas | 20 L |
| Sd | 530 cm² |
| Xmax | 0.5 mm |
| Re | 3.6 Ω |
| Bl | 5.4 T·m |
| Mms | 22.6 g |
| Pe | 80 W |
| Sensitivity | 99.4 dB |
Alignment hint
| EBP | 57 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 |
|---|---|---|---|---|---|---|---|---|
| Eminence LEGEND 1275 | 111 -37.6 | 1.016 -1.31 | 29.6 +9.6 | 0.5 = | 98 -1.4 | risky | 8 Ω vs 4 Ω: amp load changes | + |
| Jensen P12Q | 90.4 -58.2 | 1.944 -0.38 | 47.5 +27.5 | 0.8 +0.3 | 95.1 -4.3 | risky | 8 Ω vs 4 Ω: amp load changes · 40 W vs 80 W: lower power handling | + |
| Jensen C12N | 112 -36.6 | 0.913 -1.41 | 27.6 +7.6 | 1 +0.5 | 98.6 -0.8 | risky | 8 Ω vs 4 Ω: amp load changes · 50 W vs 80 W: lower power handling | + |
| Jensen C12Q-8 | 87.3 -61.3 | 1.69 -0.63 | 44.1 +24.1 | 0.8 +0.3 | 94.8 -4.6 | risky | 8 Ω vs 4 Ω: amp load changes · 35 W vs 80 W: lower power handling | + |
| Visaton FR 30 | 90 -58.6 | 1.284 -1.04 | 27 +7 | 1.1 +0.6 | 93.7 -5.7 | risky | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence LEGEND 1258 | 94 -54.6 | 0.99 -1.33 | 32.5 +12.5 | 0.5 = | 95.9 -3.5 | risky | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence LEGEND 1218 | 100 -48.6 | 0.895 -1.43 | 31.2 +11.2 | 0.8 +0.3 | 97.8 -1.6 | risky | 8 Ω vs 4 Ω: amp load changes | + |
| Jensen P12R | 80 -68.6 | 1.795 -0.53 | 66.4 +46.4 | 0.8 +0.3 | 95.3 -4.1 | risky | 8 Ω vs 4 Ω: amp load changes · 25 W vs 80 W: lower power handling | + |
| Beyma 12GA50 | 90 -58.6 | 1.16 -1.16 | 34 +14 | 2 +1.5 | 94.8 -4.6 | risky | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence TF 1250 | 95 -53.6 | 0.879 -1.44 | 37.5 +17.5 | 0.5 = | 97.6 -1.8 | risky | 8 Ω vs 4 Ω: amp load changes · 50 W vs 80 W: lower power handling | + |
Compare the closest 3 against the Excitation 28V →
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.