Focal 30A4 vp
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 24.7 Hz |
| Qts | 0.671 |
| Qes | 0.764 |
| Qms | 5.49 |
| Vas | 86.9 L |
| Sd | 510.7 cm² |
| Xmax | 8.5 mm |
| Re | 4.01 Ω |
| Bl | 11.9 T·m |
| Mms | 174.7 g |
| Pe | 250 W |
| Sensitivity | 87.3 dB |
Alignment hint
| EBP | 32 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 786.3 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Focal 30A4 | 24.7 = | 0.671 = | 86.9 = | 8.5 = | 87.3 = | close | + | |
| Pyle Audio PLD12WD vp | 25 +0.3 | 0.674 = | 77.3 -9.6 | 8 -0.5 | 86.3 -1 | close | Xmax 8 mm < 8.5 mm: lower excursion-limited SPL | + |
| Kenwood KFC-W3013 | 25 +0.3 | 0.82 +0.15 | 83.7 -3.2 | 7.6 -0.9 | 87.3 = | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7.6 mm < 8.5 mm: lower excursion-limited SPL | + |
| JL Audio 12W0V3-4 | 28.4 +3.7 | 0.67 = | 71.6 -15.3 | 9.3 +0.8 | 88.3 +1 | close | + | |
| Peerless XXLS-P830845 v2025 | 29 +4.3 | 0.654 -0.02 | 91.9 +5 | 7.6 -0.9 | 88.5 +1.2 | close | 175 W vs 250 W: lower power handling · Xmax 7.6 mm < 8.5 mm: lower excursion-limited SPL | + |
| Rockford Fosgate P1S2-12 | 25 +0.3 | 0.55 -0.12 | 88.3 +1.4 | 9 +0.5 | 85.1 -2.2 | close | 2 Ω vs 8 Ω: amp load changes | + |
| Rockford Fosgate P1S4-12 | 25 +0.3 | 0.55 -0.12 | 88.3 +1.4 | 9 +0.5 | 85.1 -2.2 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Rockford Fosgate P1S8-12 | 26 +1.3 | 0.593 -0.08 | 109 +22.1 | 9 +0.5 | 87.4 +0.1 | close | + | |
| Dayton Audio UM12-22 | 24.9 +0.2 | 0.589 -0.08 | 71.6 -15.3 | 12.5 +4 | 87.7 +0.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Pioneer TS-W303R | 24.1 -0.6 | 0.637 -0.03 | 86.3 -0.6 | 5 -3.5 | 87.8 +0.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 5 mm < 8.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 30A4 vp →
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.