PHL Audio 5021M
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 32 Hz |
| Qts | 0.297 |
| Qes | 0.32 |
| Qms | 4.15 |
| Vas | 169 L |
| Sd | 892 cm² |
| Xmax | 6.7 mm |
| Re | 5.6 Ω |
| Bl | 24 T·m |
| Mms | 163.3 g |
| Pe | 500 W |
| Sensitivity | 95.9 dB |
Alignment hint
| EBP | 100 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 36.2 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 15 PS 100 | 33 +1 | 0.309 +0.01 | 150.1 -18.9 | 7.8 +1.1 | 95.9 = | close | + | |
| Eminence KAPPA PRO 15 LF v2 | 35 +3 | 0.31 +0.01 | 172.5 +3.5 | 8.7 +2 | 96.8 +0.9 | close | + | |
| 18 Sound 15NLW9500 | 34 +2 | 0.29 -0.01 | 147.5 -21.5 | 9 +2.3 | 96 +0.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 15NLW9500 | 35 +3 | 0.32 +0.02 | 163 -6 | 9 +2.3 | 96 +0.1 | close | + | |
| Beyma 15P1000 | 35 +3 | 0.293 = | 146 -23 | 8.7 +2 | 96.3 +0.4 | close | + | |
| 18 Sound 15LW1500 | 34 +2 | 0.28 -0.02 | 195 +26 | 9 +2.3 | 96 +0.1 | close | + | |
| Fane COLOSSUS 15XB | 38 +6 | 0.32 +0.02 | 168 -1 | 7.5 +0.8 | 96.2 +0.3 | close | + | |
| RCF LF 15X401 | 34 +2 | 0.289 -0.01 | 146 -23 | 10.3 +3.6 | 96.4 +0.5 | close | + | |
| Celestion FTR15-4080FD | 35.4 +3.4 | 0.28 -0.02 | 164.3 -4.7 | 6 -0.7 | 97 +1.1 | close | Xmax 6 mm < 6.7 mm: lower excursion-limited SPL | + |
| DAS Audio 15S | 35 +3 | 0.287 -0.01 | 188 +19 | 8 +1.3 | 97.4 +1.5 | close | + |
Compare the closest 3 against the 5021M →
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.