Audax PR38EX100VST
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 47.7 Hz |
| Qts | 0.372 |
| Qes | 0.38 |
| Qms | 16.88 |
| Vas | 117.9 L |
| Sd | 878.2 cm² |
| Xmax | 3.9 mm |
| Re | 5.83 Ω |
| Bl | 21.7 T·m |
| Mms | 102 g |
| Pe | 250 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 126 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 45.1 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion TN1530 | 47.6 -0.1 | 0.39 +0.02 | 117 -0.9 | 3.8 -0.1 | 98.4 -0.2 | close | Xmax 3.8 mm < 3.9 mm: lower excursion-limited SPL | + |
| LaVoce WXF15.350-8 | 50 +2.3 | 0.38 +0.01 | 118 +0.1 | 4.6 +0.7 | 99.3 +0.7 | close | + | |
| Audax PR38EX100VST vp_n | 49.1 +1.4 | 0.378 +0.01 | 111 -6.9 | 3.7 -0.2 | 98.4 -0.2 | close | Xmax 3.7 mm < 3.9 mm: lower excursion-limited SPL | + |
| LaVoce WXF15.400 | 50 +2.3 | 0.38 +0.01 | 118 +0.1 | 4.9 +1 | 99.3 +0.7 | close | + | |
| Fane AXIOM AX15/300B | 49 +1.3 | 0.352 -0.02 | 110 -7.9 | 4 +0.1 | 98.3 -0.3 | close | + | |
| Eminence KAPPA PRO 15 LF v1 | 46 -1.7 | 0.372 = | 127.5 +9.6 | 6.4 +2.5 | 98.6 = | close | + | |
| LaVoce SSF153.00-8 | 47 -0.7 | 0.406 +0.03 | 117 -0.9 | 5.1 +1.2 | 98.4 -0.2 | close | + | |
| PD PD 156 | 50.2 +2.5 | 0.378 +0.01 | 120.2 +2.3 | 6.6 +2.7 | 99.2 +0.6 | close | + | |
| Precision Devices PD 156 | 50.2 +2.5 | 0.378 +0.01 | 120.2 +2.3 | 6.6 +2.7 | 99.2 +0.6 | close | + | |
| 18 Sound 15W1301 | 48 +0.3 | 0.355 -0.02 | 123 +5.1 | 6 +2.1 | 99.3 +0.7 | close | + |
Compare the closest 3 against the PR38EX100VST →
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.