Audio Nirvana 12AL
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 37 Hz |
| Qts | 0.65 |
| Qes | 0.752 |
| Qms | 4.786 |
| Vas | 236 L |
| Sd | 500 cm² |
| Xmax | 3 mm |
| Re | 7.2 Ω |
| Bl | 7.8 T·m |
| Mms | 27.5 g |
| Pe | 30 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 49 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 1286.6 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Audio Nirvana SUPER 12AL | 37 = | 0.635 -0.02 | 236 = | 3 = | 94.6 +0.1 | close | + | |
| Cabasse 30BZ18 v1 | 36 -1 | 0.616 -0.03 | 243 +7 | 4 +1 | 94.8 +0.3 | close | + | |
| Altec 412 vp1 | 33.7 -3.3 | 0.625 -0.03 | 230.5 -5.5 | 3 = | 95 +0.5 | close | 20 W vs 30 W: lower power handling | + |
| Philips AD1256 vp A | 36.9 -0.1 | 0.59 -0.06 | 244.9 +8.9 | 4.3 +1.3 | 94.7 +0.2 | close | + | |
| Philips AD5200 vp A | 36.9 -0.1 | 0.59 -0.06 | 244.9 +8.9 | 4.3 +1.3 | 94.7 +0.2 | close | + | |
| Cabasse 30BZ24 vp oriu2 | 37 = | 0.543 -0.11 | 223 -13 | 4 +1 | 93.6 -0.9 | close | 16 Ω vs 8 Ω: amp load changes | + |
| PHY-HP HB30LB15 | 36 -1 | 0.567 -0.08 | 224 -12 | 3 = | 91.9 -2.6 | close | 16 Ω vs 8 Ω: amp load changes | + |
| PHY-HP HB30LB15SAG | 36 -1 | 0.567 -0.08 | 224 -12 | 3 = | 91.9 -2.6 | close | 16 Ω vs 8 Ω: amp load changes | + |
| PHY-HP KM30 | 36 -1 | 0.567 -0.08 | 224 -12 | 3 = | 91.9 -2.6 | close | 16 Ω vs 8 Ω: amp load changes | + |
| PHY-HP KM30SAG | 36 -1 | 0.567 -0.08 | 224 -12 | 3 = | 91.9 -2.6 | close | 16 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 12AL →
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.