Focal AUDIOM 12AX
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30.7 Hz |
| Qts | 0.329 |
| Qes | 0.34 |
| Qms | 9.82 |
| Vas | 226 L |
| Sd | 510.7 cm² |
| Xmax | 4.5 mm |
| Re | 6.2 Ω |
| Bl | 12.4 T·m |
| Mms | 43.5 g |
| Pe | 150 W |
| Sensitivity | 95.9 dB |
Alignment hint
| EBP | 90 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 62.4 L |
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 |
|---|---|---|---|---|---|---|---|---|
| Davis 31TCA12 vp rc | 32.5 +1.8 | 0.314 -0.02 | 222 -4 | 6 +1.5 | 96.2 +0.3 | close | + | |
| Davis 31TCA12 v2009 | 32.5 +1.8 | 0.31 -0.02 | 222 -4 | 6 +1.5 | 95.9 = | close | + | |
| Visaton TD | 31 +0.3 | 0.324 -0.01 | 200 -26 | 7.3 +2.8 | 95.5 -0.4 | close | + | |
| Visaton TD1 | 30.3 -0.4 | 0.327 = | 200 -26 | 7.6 +3.1 | 95.3 -0.6 | close | + | |
| Westra SW-300-2808 | 30 -0.7 | 0.322 -0.01 | 209 -17 | 9.3 +4.8 | 94.7 -1.2 | close | + | |
| Samy Speaker LW1200 | 30.7 = | 0.36 +0.03 | 210 -16 | 6 +1.5 | 94.3 -1.6 | close | 100 W vs 150 W: lower power handling | + |
| Ciare HW321 | 27 -3.7 | 0.33 = | 205 -21 | 5 +0.5 | 93.8 -2.1 | close | + | |
| Cabasse 30M22 | 31.5 +0.8 | 0.315 -0.01 | 196.1 -29.9 | 8 +3.5 | 97.7 +1.8 | close | + | |
| Tannoy DC 3134 CPA12 | 37.7 +7 | 0.369 +0.04 | 226.7 +0.7 | 5 +0.5 | 96.1 +0.2 | close | 16 Ω vs 8 Ω: amp load changes · 75 W vs 150 W: lower power handling | + |
| Rockford Fosgate S1-124 | 28 -2.7 | 0.326 = | 186 -40 | 9.9 +5.4 | 96.2 +0.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the AUDIOM 12AX →
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.