Focal 33V
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 25.2 Hz |
| Qts | 0.479 |
| Qes | 0.5 |
| Qms | 11.39 |
| Vas | 128.8 L |
| Sd | 530.9 cm² |
| Xmax | 7.5 mm |
| Re | 2.6 Ω |
| Bl | 10 T·m |
| Mms | 122.4 g |
| Pe | 400 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 50 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 109.2 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 |
|---|---|---|---|---|---|---|---|---|
| Focal 33S | 25.9 +0.7 | 0.464 -0.01 | 107.9 -20.9 | 7.5 = | 92.8 -0.2 | close | 300 W vs 400 W: lower power handling | + |
| Peerless XXLS-P835017 v2026 | 23 -2.2 | 0.426 -0.05 | 133 +4.2 | 7.5 = | 92.5 -0.5 | close | 150 W vs 400 W: lower power handling | + |
| Pioneer VINTAGE VERSION | 25.7 +0.5 | 0.556 +0.08 | 134.2 +5.4 | 7.2 -0.3 | 92.1 -0.9 | close | 100 W vs 400 W: lower power handling · Xmax 7.2 mm < 7.5 mm: lower excursion-limited SPL | + |
| JBL P1200 | 30 +4.8 | 0.45 -0.03 | 123 -5.8 | 7.8 +0.3 | 92.8 -0.2 | close | 8 Ω vs 4 Ω: amp load changes · 250 W vs 400 W: lower power handling | + |
| HiVi D10G | 26 +0.8 | 0.465 -0.01 | 117.3 -11.5 | 8.3 +0.8 | 89 -4 | close | 8 Ω vs 4 Ω: amp load changes · 150 W vs 400 W: lower power handling | + |
| Beyma 12"BR70 | 31 +5.8 | 0.5 +0.02 | 142 +13.2 | 8 +0.5 | 93 = | close | 8 Ω vs 4 Ω: amp load changes · 125 W vs 400 W: lower power handling | + |
| Rockford Fosgate P112S4 | 25 -0.2 | 0.52 +0.04 | 110 -18.8 | 7.3 -0.2 | 90.6 -2.4 | close | 150 W vs 400 W: lower power handling · Xmax 7.3 mm < 7.5 mm: lower excursion-limited SPL | + |
| Peerless XXLS-P830845 | 27 +1.8 | 0.517 +0.04 | 119.5 -9.3 | 7.6 +0.1 | 89.8 -3.2 | close | 8 Ω vs 4 Ω: amp load changes · 175 W vs 400 W: lower power handling | + |
| Cerwin-Vega HED-12 2 | 26 +0.8 | 0.501 +0.02 | 109 -19.8 | 6 -1.5 | 93.6 +0.6 | close | 2 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling · Xmax 6 mm < 7.5 mm: lower excursion-limited SPL | + |
| Monacor SPH-300KE vp2 | 27.6 +2.4 | 0.489 +0.01 | 139.3 +10.5 | 6.5 -1 | 90.4 -2.6 | close | 8 Ω vs 4 Ω: amp load changes · 120 W vs 400 W: lower power handling · Xmax 6.5 mm < 7.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 33V →
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.