Audax PR38EX100VST vp_b
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 44.1 Hz |
| Qts | 0.378 |
| Qes | 0.39 |
| Qms | 12.28 |
| Vas | 137.8 L |
| Sd | 878.2 cm² |
| Xmax | 4 mm |
| Re | 5.9 Ω |
| Bl | 20.7 T·m |
| Mms | 102 g |
| Pe | 250 W |
| Sensitivity | 98.1 dB |
Alignment hint
| EBP | 113 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 55.1 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 |
|---|---|---|---|---|---|---|---|---|
| Oberton 15NCX | 43.7 -0.4 | 0.361 -0.02 | 138.5 +0.7 | 6.1 +2.1 | 98.8 +0.7 | close | + | |
| Peavey 1505 DT vp 1993 vert | 44.2 +0.1 | 0.362 -0.02 | 124.7 -13.1 | 4.8 +0.8 | 98.2 +0.1 | close | + | |
| RCF L15/542K | 45 +0.9 | 0.36 -0.02 | 146 +8.2 | 4.5 +0.5 | 97.3 -0.8 | close | + | |
| P.Audio C15-600EL | 44.9 +0.8 | 0.352 -0.03 | 137.4 -0.4 | 5 +1 | 99 +0.9 | close | + | |
| Celestion FTR15-3070E | 45.3 +1.2 | 0.4 +0.02 | 143.9 +6.1 | 5.5 +1.5 | 98.4 +0.3 | close | + | |
| Eminence KAPPA PRO 15 LF | 46 +1.9 | 0.373 -0.01 | 142.2 +4.4 | 6.7 +2.7 | 98.9 +0.8 | close | + | |
| LaVoce WAF153.00 | 43 -1.1 | 0.374 = | 146 +8.2 | 6.5 +2.5 | 99 +0.9 | close | + | |
| 18 Sound 15W1300 | 46 +1.9 | 0.361 -0.02 | 138 +0.2 | 6 +2 | 99 +0.9 | close | + | |
| Eighteen Sound 15NCX750 | 49 +4.9 | 0.37 -0.01 | 141 +3.2 | 5.5 +1.5 | 98 -0.1 | close | + | |
| RCF L 15P542K | 45 +0.9 | 0.355 -0.02 | 146 +8.2 | 6.2 +2.2 | 98 -0.1 | close | + |
Compare the closest 3 against the PR38EX100VST vp_b →
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.