Audax PR38EX100VST vp_n
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49.1 Hz |
| Qts | 0.378 |
| Qes | 0.39 |
| Qms | 12.14 |
| Vas | 111 L |
| Sd | 878.2 cm² |
| Xmax | 3.7 mm |
| Re | 6.2 Ω |
| Bl | 22.4 T·m |
| Mms | 102.3 g |
| Pe | 250 W |
| Sensitivity | 98.4 dB |
Alignment hint
| EBP | 126 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 44.4 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 |
|---|---|---|---|---|---|---|---|---|
| Fane AXIOM AX15/300B | 49 -0.1 | 0.352 -0.03 | 110 -1 | 4 +0.3 | 98.3 -0.1 | close | + | |
| Audax PR38EX100VST | 47.7 -1.4 | 0.372 -0.01 | 117.9 +6.9 | 3.9 +0.2 | 98.6 +0.2 | close | + | |
| Celestion TN1530 | 47.6 -1.5 | 0.39 +0.01 | 117 +6 | 3.8 +0.1 | 98.4 = | close | + | |
| LaVoce WXF15.350-8 | 50 +0.9 | 0.38 = | 118 +7 | 4.6 +0.9 | 99.3 +0.9 | close | + | |
| LaVoce WXF15.400 | 50 +0.9 | 0.38 = | 118 +7 | 4.9 +1.2 | 99.3 +0.9 | close | + | |
| P.Audio 15BM-300B | 50.6 +1.5 | 0.404 +0.03 | 113 +2 | 3.5 -0.2 | 99.1 +0.7 | close | Xmax 3.5 mm < 3.7 mm: lower excursion-limited SPL | + |
| RCF L 15P540 | 50 +0.9 | 0.393 +0.02 | 100 -11 | 5.2 +1.5 | 98.4 = | close | + | |
| PD PD 156 | 50.2 +1.1 | 0.378 = | 120.2 +9.2 | 6.6 +2.9 | 99.2 +0.8 | close | + | |
| Precision Devices PD 156 | 50.2 +1.1 | 0.378 = | 120.2 +9.2 | 6.6 +2.9 | 99.2 +0.8 | close | + | |
| JB Systems WHAREFEDALE B-15-250 | 49.1 = | 0.409 +0.03 | 125 +14 | 4 +0.3 | 98.7 +0.3 | close | + |
Compare the closest 3 against the PR38EX100VST vp_n →
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.