PHL Audio 4020
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 29 Hz |
| Qts | 0.299 |
| Qes | 0.31 |
| Qms | 8.3 |
| Vas | 92 L |
| Sd | 540 cm² |
| Xmax | 7 mm |
| Re | 5.6 Ω |
| Bl | 21 T·m |
| Mms | 133.8 g |
| Pe | 450 W |
| Sensitivity | 92.1 dB |
Alignment hint
| EBP | 94 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 20 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 |
|---|---|---|---|---|---|---|---|---|
| SICA 12 SR 3 PL vp | 28.7 -0.3 | 0.317 +0.02 | 101.2 +9.2 | 7 = | 92.4 +0.3 | close | 350 W vs 450 W: lower power handling | + |
| PHL Audio 4021 v2017 | 30 +1 | 0.281 -0.02 | 96 +4 | 7 = | 93 +0.9 | close | + | |
| BMS 12S330 v2018 | 28.6 -0.4 | 0.295 = | 81.4 -10.6 | 8 +1 | 91.1 -1 | close | + | |
| Focal 13W 8711 | 28.8 -0.2 | 0.328 +0.03 | 87.1 -4.9 | 7.9 +0.9 | 93.4 +1.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Focal 13W 8711 vp | 28.8 -0.2 | 0.328 +0.03 | 87.1 -4.9 | 7.9 +0.9 | 93.4 +1.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Magnat XTC300 | 30 +1 | 0.317 +0.02 | 81 -11 | 6.9 -0.1 | 93.8 +1.7 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 450 W: lower power handling · Xmax 6.9 mm < 7 mm: lower excursion-limited SPL | + |
| Focal 33V1 | 25.3 -3.7 | 0.326 +0.03 | 91.8 -0.2 | 7.5 +0.5 | 93 +0.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Mivoc AW 3000 | 27 -2 | 0.305 +0.01 | 97 +5 | 5.9 -1.1 | 93.9 +1.8 | close | 4 Ω vs 8 Ω: amp load changes · 180 W vs 450 W: lower power handling · Xmax 5.9 mm < 7 mm: lower excursion-limited SPL | + |
| Atohm D300P04 | 26.5 -2.5 | 0.33 +0.03 | 104 +12 | 7 = | 93 +0.9 | close | 4 Ω vs 8 Ω: amp load changes · 200 W vs 450 W: lower power handling | + |
| AER SB 12 | 29 = | 0.349 +0.05 | 82 -10 | 7.1 +0.1 | 90.6 -1.5 | close | 300 W vs 450 W: lower power handling | + |
Compare the closest 3 against the 4020 →
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.