Audax PR380T4
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.322 |
| Qes | 0.35 |
| Qms | 4.06 |
| Vas | 107 L |
| Sd | 883.1 cm² |
| Xmax | 3.8 mm |
| Re | 5.6 Ω |
| Bl | 23 T·m |
| Mms | 107.8 g |
| Pe | 350 W |
| Sensitivity | 99.1 dB |
Alignment hint
| EBP | 140 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 28 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 |
|---|---|---|---|---|---|---|---|---|
| Audax PR380T10 | 49 = | 0.314 -0.01 | 107 = | 3.7 -0.1 | 99.2 +0.1 | close | Xmax 3.7 mm < 3.8 mm: lower excursion-limited SPL | + |
| JB Systems 153431 SW 15 250 | 49 = | 0.309 -0.01 | 115.3 +8.3 | 4.1 +0.3 | 99 -0.1 | close | 250 W vs 350 W: lower power handling | + |
| RCF L 15S800 | 48 -1 | 0.32 = | 113 +6 | 5.5 +1.7 | 98.9 -0.2 | close | + | |
| RCF L 15S801 | 48 -1 | 0.32 = | 113 +6 | 6 +2.2 | 98.9 -0.2 | close | + | |
| RCF L 15S801-8 | 48 -1 | 0.32 = | 113 +6 | 6 +2.2 | 98.9 -0.2 | close | + | |
| Fane AXIOM AX15/300B | 49 = | 0.352 +0.03 | 110 +3 | 4 +0.2 | 98.3 -0.8 | close | + | |
| Ciare NDH 15-3 | 49.8 +0.8 | 0.296 -0.03 | 110.9 +3.9 | 4.3 +0.5 | 99.7 +0.6 | close | + | |
| Beyma 15MC700Nd | 49 = | 0.31 -0.01 | 105 -2 | 7 +3.2 | 100 +0.9 | close | + | |
| RCF MB 15N351 v2012 | 46 -3 | 0.315 -0.01 | 114 +7 | 5.7 +1.9 | 99 -0.1 | close | + | |
| RCF MB 15X351 | 46 -3 | 0.315 -0.01 | 114 +7 | 5.9 +2.1 | 99 -0.1 | close | + |
Compare the closest 3 against the PR380T4 →
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.