Audax PR330M0 vp2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 33.7 Hz |
| Qts | 0.284 |
| Qes | 0.298 |
| Qms | 6.28 |
| Vas | 122.2 L |
| Sd | 538 cm² |
| Xmax | 4 mm |
| Re | 6.14 Ω |
| Bl | 18 T·m |
| Mms | 74.3 g |
| Pe | 150 W |
| Sensitivity | 95.1 dB |
Alignment hint
| EBP | 113 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 23.5 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 |
|---|---|---|---|---|---|---|---|---|
| RCF L12P400K | 33.7 = | 0.25 -0.03 | 130 +7.8 | 6 +2 | 94.7 -0.4 | close | + | |
| Magnat 300 | 31 -2.7 | 0.3 +0.02 | 120 -2.2 | 7.1 +3.1 | 96.5 +1.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Davis 31TCA12 | 34 +0.3 | 0.296 +0.01 | 149 +26.8 | 6 +2 | 95.9 +0.8 | close | + | |
| AE Speakers TD12X | 33.9 +0.2 | 0.284 = | 159.4 +37.2 | 7 +3 | 95.4 +0.3 | close | + | |
| Beyma POWER 12 COMPETITION | 29 -4.7 | 0.27 -0.01 | 122 -0.2 | 9 +5 | 95.1 = | close | + | |
| Magnat SUB 300 SUPREME | 30 -3.7 | 0.289 +0.01 | 110 -12.2 | 7.6 +3.6 | 95.5 +0.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| McCauley B1240 | 38 +4.3 | 0.286 = | 110 -12.2 | 6.5 +2.5 | 96.3 +1.2 | close | + | |
| PHL Audio 4530 | 37 +3.3 | 0.314 +0.03 | 124 +1.8 | 6 +2 | 96.3 +1.2 | close | + | |
| Cabasse 30BZ24 | 35 +1.3 | 0.283 = | 107 -15.2 | 3.4 -0.6 | 92.7 -2.4 | close | 16 Ω vs 8 Ω: amp load changes · 80 W vs 150 W: lower power handling · Xmax 3.4 mm < 4 mm: lower excursion-limited SPL | + |
| Beyma 12LW30/N | 38 +4.3 | 0.287 = | 109 -13.2 | 7 +3 | 96.2 +1.1 | close | + |
Compare the closest 3 against the PR330M0 vp2 →
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.