PHL Audio 5231
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 44 Hz |
| Qts | 0.277 |
| Qes | 0.3 |
| Qms | 3.6 |
| Vas | 127 L |
| Sd | 845 cm² |
| Xmax | 5 mm |
| Re | 5.6 Ω |
| Bl | 23.1 T·m |
| Mms | 103.1 g |
| Pe | 500 W |
| Sensitivity | 99.1 dB |
Alignment hint
| EBP | 147 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 23 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 |
|---|---|---|---|---|---|---|---|---|
| PD PD 915 | 42.9 -1.1 | 0.279 = | 129.5 +2.5 | 5.5 +0.5 | 98.9 -0.2 | close | + | |
| Precision Devices PD 915 | 42.9 -1.1 | 0.279 = | 129.5 +2.5 | 5.5 +0.5 | 98.9 -0.2 | close | + | |
| Fane COLOSSUS 15-750BMN | 45 +1 | 0.27 -0.01 | 127 = | 5.8 +0.8 | 99.6 +0.5 | close | + | |
| PHL Audio 5320 | 45 +1 | 0.287 +0.01 | 128 +1 | 4.8 -0.2 | 99.3 +0.2 | close | Xmax 4.8 mm < 5 mm: lower excursion-limited SPL | + |
| B&C 14 CXN 6 | 45 +1 | 0.28 = | 131 +4 | 5.6 +0.6 | 100 +0.9 | close | + | |
| PD PD 1550 v2015 | 46.2 +2.2 | 0.294 +0.02 | 126.4 -0.6 | 5.3 +0.3 | 99 -0.1 | close | + | |
| Precision Devices PD 1550 v2015 | 46.2 +2.2 | 0.294 +0.02 | 126.4 -0.6 | 5.3 +0.3 | 99 -0.1 | close | + | |
| PD 1550/2 | 46.2 +2.2 | 0.294 +0.02 | 126 -1 | 5.3 +0.3 | 99 -0.1 | close | + | |
| Precision Devices 1550/2 | 46.2 +2.2 | 0.294 +0.02 | 126 -1 | 5.3 +0.3 | 99 -0.1 | close | + | |
| 18 Sound 15LW1402 | 42 -2 | 0.28 = | 126 -1 | 7 +2 | 98.4 -0.7 | close | + |
Compare the closest 3 against the 5231 →
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.