Audax PR33S100 vp2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35 Hz |
| Qts | 0.136 |
| Qes | 0.14 |
| Qms | 4.42 |
| Vas | 136.9 L |
| Sd | 530 cm² |
| Xmax | 3.8 mm |
| Re | 5.85 Ω |
| Bl | 23.4 T·m |
| Mms | 59.5 g |
| Pe | 200 W |
| Sensitivity | 99.6 dB |
Alignment hint
| EBP | 250 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.3 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 |
|---|---|---|---|---|---|---|---|---|
| PD PD 123C001 | 35 = | 0.144 +0.01 | 122 -14.9 | 6.4 +2.6 | 99.1 -0.5 | close | + | |
| Precision Devices PD 123C001 | 35 = | 0.144 +0.01 | 122 -14.9 | 6.4 +2.6 | 99.1 -0.5 | close | + | |
| Audax PR33S100 vp1 | 36.8 +1.8 | 0.164 +0.03 | 124.3 -12.6 | 3.8 = | 98.9 -0.7 | close | + | |
| Beyma LIBERTY | 37 +2 | 0.167 +0.03 | 130 -6.9 | 2.5 -1.3 | 99.3 -0.3 | usable | Xmax 2.5 mm < 3.8 mm: lower excursion-limited SPL | + |
| BMS 12N820 | 37.8 +2.8 | 0.16 +0.02 | 98.7 -38.2 | 4.5 +0.7 | 98 -1.6 | usable | + | |
| Monacor SP-30PAX | 46 +11 | 0.164 +0.03 | 130 -6.9 | 3.9 +0.1 | 102.3 +2.7 | usable | + | |
| RCF L12P110K | 44 +9 | 0.13 -0.01 | 98 -38.9 | 3 -0.8 | 99.6 = | usable | Xmax 3 mm < 3.8 mm: lower excursion-limited SPL | + |
| PD PD 1225C001 | 39 +4 | 0.189 +0.05 | 156 +19.1 | 5.6 +1.8 | 100.6 +1 | usable | + | |
| Precision Devices PD 1225C001 | 39 +4 | 0.189 +0.05 | 156 +19.1 | 5.6 +1.8 | 100.6 +1 | usable | + | |
| RCF L 12P110K | 44 +9 | 0.136 = | 98 -38.9 | 3 -0.8 | 101.3 +1.7 | usable | Xmax 3 mm < 3.8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the PR33S100 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.