Focal 11V 5451
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 4 Ω |
| Fs | 48.6 Hz |
| Qts | 0.825 |
| Qes | 0.93 |
| Qms | 7.31 |
| Vas | 39 L |
| Sd | 346.4 cm² |
| Xmax | 5.1 mm |
| Re | 3.04 Ω |
| Bl | 6.8 T·m |
| Mms | 46.3 g |
| Pe | 175 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 52 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 10V1 | 49.7 +1.1 | 0.822 = | 42.5 +3.5 | 4.9 -0.2 | 93.7 +0.7 | close | Xmax 4.9 mm < 5.1 mm: lower excursion-limited SPL | + |
| Focal 27 F | 43.7 -4.9 | 0.82 -0.01 | 45.5 +6.5 | 5.8 +0.7 | 92.8 -0.2 | close | + | |
| Audax HT240G0 | 48.9 +0.3 | 0.672 -0.15 | 35.8 -3.2 | 5.5 +0.4 | 94 +1 | close | + | |
| Fonestar FPW 250 | 55 +6.4 | 0.825 = | 38 -1 | 3.9 -1.2 | 90.6 -2.4 | usable | 8 Ω vs 4 Ω: amp load changes · 125 W vs 175 W: lower power handling · Xmax 3.9 mm < 5.1 mm: lower excursion-limited SPL | + |
| MTX Audio RTX108 | 58.7 +10.1 | 0.727 -0.1 | 37.1 -1.9 | 5.7 +0.6 | 93.5 +0.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Dayton Audio PA255-8 v2017 | 50.5 +1.9 | 0.612 -0.21 | 41.2 +2.2 | 5 -0.1 | 92.7 -0.3 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 5.1 mm: lower excursion-limited SPL | + |
| Focal 270 V | 51.1 +2.5 | 0.663 -0.16 | 33.3 -5.7 | 5.5 +0.4 | 93.9 +0.9 | usable | + | |
| Focal 11V 5442 | 51.1 +2.5 | 0.663 -0.16 | 33.3 -5.7 | 4.9 -0.2 | 93.9 +0.9 | usable | Xmax 4.9 mm < 5.1 mm: lower excursion-limited SPL | + |
| Peavey SHEFFIELD TVX 1035 8 | 49.3 +0.7 | 0.722 -0.1 | 38.7 -0.3 | 3.4 -1.7 | 90.5 -2.5 | usable | 8 Ω vs 4 Ω: amp load changes · 75 W vs 175 W: lower power handling · Xmax 3.4 mm < 5.1 mm: lower excursion-limited SPL | + |
| Focal 270 V3 | 51.1 +2.5 | 0.663 -0.16 | 33.3 -5.7 | 4.5 -0.6 | 93.9 +0.9 | usable | Xmax 4.5 mm < 5.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 11V 5451 →
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.