Audax PR38LXT250
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 43.5 Hz |
| Qts | 0.273 |
| Qes | 0.29 |
| Qms | 4.7 |
| Vas | 193 L |
| Sd | 880 cm² |
| Xmax | 4 mm |
| Re | 5.8 Ω |
| Bl | 20.3 T·m |
| Mms | 75.3 g |
| Pe | 250 W |
| Sensitivity | 100.8 dB |
Alignment hint
| EBP | 150 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 33.8 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 |
|---|---|---|---|---|---|---|---|---|
| Electro-Voice DL15ST | 42 -1.5 | 0.281 +0.01 | 195 +2 | 4.1 +0.1 | 100.1 -0.7 | close | + | |
| Electro-Voice DL15X v2 | 42 -1.5 | 0.281 +0.01 | 195 +2 | 4.1 +0.1 | 100.1 -0.7 | close | + | |
| PHL Audio 5381M | 43 -0.5 | 0.278 +0.01 | 180 -13 | 4 = | 100.2 -0.6 | close | + | |
| PHL Audio 5380 | 44 +0.5 | 0.278 +0.01 | 180 -13 | 4.4 +0.4 | 100.5 -0.3 | close | + | |
| DAS Audio 15HM | 43 -0.5 | 0.279 +0.01 | 178 -15 | 4 = | 100.4 -0.4 | close | + | |
| Cyrille Audio BM38F76P-HR | 43.1 -0.4 | 0.291 +0.02 | 188.3 -4.7 | 4.6 +0.6 | 100.7 -0.1 | close | + | |
| Hiwell 15NDF100C1 | 45 +1.5 | 0.285 +0.01 | 188 -5 | 6 +2 | 101.6 +0.8 | close | + | |
| Beyma 15GF200 | 44 +0.5 | 0.31 +0.04 | 191 -2 | 3.8 -0.2 | 100.5 -0.3 | close | Xmax 3.8 mm < 4 mm: lower excursion-limited SPL | + |
| Beyma 15M300v2 vp | 45 +1.5 | 0.297 +0.02 | 185 -8 | 4.9 +0.9 | 100.4 -0.4 | close | + | |
| Radian 5215B v2017 | 40 -3.5 | 0.266 -0.01 | 202 +9 | 5.5 +1.5 | 100.3 -0.5 | close | + |
Compare the closest 3 against the PR38LXT250 →
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.