Audax PR330M0 + PR33S66 vp
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.172 |
| Qes | 0.193 |
| Qms | 1.56 |
| Vas | 117 L |
| Sd | 538 cm² |
| Xmax | 3.6 mm |
| Re | 5.8 Ω |
| Bl | 23.5 T·m |
| Mms | 97.6 g |
| Pe | 150 W |
| Sensitivity | 95.5 dB |
Alignment hint
| EBP | 155 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7.4 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 |
|---|---|---|---|---|---|---|---|---|
| Audax PR33S100 vp1 | 36.8 +6.8 | 0.164 -0.01 | 124.3 +7.3 | 3.8 +0.2 | 98.9 +3.4 | usable | + | |
| Monacor SPH-300CTC vp série | 30 = | 0.194 +0.02 | 155.9 +38.9 | 5 +1.4 | 93.5 -2 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Cabasse 30NDS | 36 +6 | 0.2 +0.03 | 92.6 -24.4 | 3.9 +0.3 | 96.2 +0.7 | usable | + | |
| BMS 12N820 | 37.8 +7.8 | 0.16 -0.01 | 98.7 -18.3 | 4.5 +0.9 | 98 +2.5 | usable | + | |
| Conrad DS-120 | 28 -2 | 0.248 +0.08 | 130.5 +13.5 | 4 +0.4 | 95.8 +0.3 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Audax PR33S66 | 30 = | 0.169 = | 214.4 +97.4 | 3.8 +0.2 | 98.2 +2.7 | usable | + | |
| B&C 12 PZ 32 | 38 +8 | 0.193 +0.02 | 102 -15 | 5.5 +1.9 | 97.6 +2.1 | usable | + | |
| PD PD 123C001 | 35 +5 | 0.144 -0.03 | 122 +5 | 6.4 +2.8 | 99.1 +3.6 | usable | + | |
| Precision Devices PD 123C001 | 35 +5 | 0.144 -0.03 | 122 +5 | 6.4 +2.8 | 99.1 +3.6 | usable | + | |
| Fluxmag 1201-LB | 28.9 -1.1 | 0.163 -0.01 | 196.2 +79.2 | 4 +0.4 | 98.4 +2.9 | usable | 100 W vs 150 W: lower power handling | + |
Compare the closest 3 against the PR330M0 + PR33S66 vp →
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.