Focal 12V 726DB
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 25.9 Hz |
| Qts | 0.354 |
| Qes | 0.4 |
| Qms | 3.05 |
| Vas | 210.5 L |
| Sd | 511 cm² |
| Xmax | 8.5 mm |
| Re | 2.9 Ω |
| Bl | 8.8 T·m |
| Mms | 65.7 g |
| Pe | 150 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 65 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 70.4 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 |
|---|---|---|---|---|---|---|---|---|
| Rockford Fosgate S1-124 | 28 +2.1 | 0.326 -0.03 | 186 -24.5 | 9.9 +1.4 | 96.2 +0.2 | close | + | |
| Jensen RS12045SW | 25 -0.9 | 0.3 -0.05 | 220 +9.5 | 11 +2.5 | 95.6 -0.4 | close | + | |
| Westra SW-300-2808 | 30 +4.1 | 0.322 -0.03 | 209 -1.5 | 9.3 +0.8 | 94.7 -1.3 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Visaton TD1 | 30.3 +4.4 | 0.327 -0.03 | 200 -10.5 | 7.6 -0.9 | 95.3 -0.7 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7.6 mm < 8.5 mm: lower excursion-limited SPL | + |
| Visaton TD | 31 +5.1 | 0.324 -0.03 | 200 -10.5 | 7.3 -1.2 | 95.5 -0.5 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 7.3 mm < 8.5 mm: lower excursion-limited SPL | + |
| Philips AD12240/W8 | 29 +3.1 | 0.392 +0.04 | 215.7 +5.2 | 7.4 -1.1 | 93.6 -2.4 | usable | 8 Ω vs 4 Ω: amp load changes · 100 W vs 150 W: lower power handling · Xmax 7.4 mm < 8.5 mm: lower excursion-limited SPL | + |
| Audiotechnology FLEXUNIT 12B772510 | 25 -0.9 | 0.299 -0.05 | 250 +39.5 | 8.6 +0.1 | 94.3 -1.7 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Pioneer TS-W303C | 24 -1.9 | 0.342 -0.01 | 186.2 -24.3 | 6 -2.5 | 94.9 -1.1 | usable | Xmax 6 mm < 8.5 mm: lower excursion-limited SPL | + |
| Samy Speaker LW1200 | 30.7 +4.8 | 0.36 +0.01 | 210 -0.5 | 6 -2.5 | 94.3 -1.7 | usable | 8 Ω vs 4 Ω: amp load changes · 100 W vs 150 W: lower power handling · Xmax 6 mm < 8.5 mm: lower excursion-limited SPL | + |
| Dayton Audio ST305-8 Séries II | 26.2 +0.3 | 0.334 -0.02 | 164 -46.5 | 8 -0.5 | 92.3 -3.7 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 8.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12V 726DB →
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.