PHL Audio 4050
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.197 |
| Qes | 0.21 |
| Qms | 3.3 |
| Vas | 84 L |
| Sd | 540 cm² |
| Xmax | 4.1 mm |
| Re | 5.8 Ω |
| Bl | 20.9 T·m |
| Mms | 51.3 g |
| Pe | 350 W |
| Sensitivity | 100.1 dB |
Alignment hint
| EBP | 233 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7.1 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 12MB710 | 46 -3 | 0.2 = | 81 -3 | 5 +0.9 | 100 -0.1 | close | + | |
| 18 Sound 12MB720 | 46 -3 | 0.2 = | 81 -3 | 5 +0.9 | 100 -0.1 | close | + | |
| 18 Sound 12MB810 | 46 -3 | 0.2 = | 81 -3 | 5 +0.9 | 100 -0.1 | close | + | |
| B&C 12 NDL 76 | 50 +1 | 0.2 = | 73 -11 | 4.3 +0.2 | 100.1 = | close | + | |
| Oberton 12NXL400 | 48.6 -0.4 | 0.203 +0.01 | 79.24 -4.76 | 5.25 +1.15 | 101 +0.9 | close | + | |
| 18 Sound 12MB600 | 46 -3 | 0.19 -0.01 | 86 +2 | 4.5 +0.4 | 101 +0.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 12ND710 | 52 +3 | 0.2 = | 92 +8 | 5 +0.9 | 101 +0.9 | close | + | |
| PHL Audio 4040 | 45 -4 | 0.208 +0.01 | 85 +1 | 4.9 +0.8 | 99.1 -1 | close | + | |
| B&C 12NDL76 | 50 +1 | 0.2 = | 73 -11 | 7 +2.9 | 100 -0.1 | close | + | |
| B&C 12 MH 32 | 52 +3 | 0.194 = | 71 -13 | 4.1 = | 100.7 +0.6 | close | + |
Compare the closest 3 against the 4050 →
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.