Focal 40A
Paramètres Thiele-Small
| Taille nominale | 15" |
|---|---|
| Impédance | 4 Ω |
| Fs | 41.3 Hz |
| Qts | 0.633 |
| Qes | 0.72 |
| Qms | 5.22 |
| Vas | 74.6 L |
| Sd | 881.4 cm² |
| Xmax | 4.7 mm |
| Re | 3.3 Ω |
| Bl | 16.1 T·m |
| Mms | 216.7 g |
| Pe | 400 W |
| Sensibilité | 94.5 dB |
Indication d'alignement
| EBP | 57 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 301 L |
EBP 50-100 : fonctionne en clos ou en bass-reflex.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Candidats de substitution
| HP | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Adéquation | Notes | Comparer |
|---|---|---|---|---|---|---|---|---|
| B&C 15BG76 | 44 +2.7 | 0.56 -0.07 | 68.4 -6.2 | 9.6 +4.9 | 93.4 -1.1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| MTX Audio TH9515.44 | 31.9 -9.4 | 0.653 +0.02 | 70 -4.6 | 6.3 +1.6 | 93.3 -1.2 | usable | 2 Ω vs 4 Ω: amp load changes | + |
| Gladen SQX15 | 35.5 -5.8 | 0.513 -0.12 | 80.7 +6.1 | 7 +2.3 | 94.3 -0.2 | usable | + | |
| Monacor RAPTOR 15 | 39 -2.3 | 0.696 +0.06 | 56 -18.6 | 7.4 +2.7 | 92 -2.5 | usable | + | |
| Monacor RAPTOR 15 MK2 | 39 -2.3 | 0.696 +0.06 | 56 -18.6 | 7.4 +2.7 | 92 -2.5 | usable | + | |
| the box Speaker 15-300/8-A | 52.6 +11.3 | 0.64 +0.01 | 100.3 +25.7 | 4.6 -0.1 | 96.8 +2.3 | usable | 8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling · Xmax 4.6 mm < 4.7 mm: lower excursion-limited SPL | + |
| DD Audio 615 D2 | 32.3 -9 | 0.689 +0.06 | 81.6 +7 | 5 +0.3 | 90.5 -4 | usable | 8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling | + |
| hertz Hertz Audio SX380D | 43 +1.7 | 0.651 +0.02 | 45 -29.6 | 6.1 +1.4 | 92.1 -2.4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Bose 38 CM CAR AUDIO vp | 46 +4.7 | 0.526 -0.11 | 108.8 +34.2 | 4.5 -0.2 | 94.6 +0.1 | usable | 8 Ω vs 4 Ω: amp load changes · 250 W vs 400 W: lower power handling · Xmax 4.5 mm < 4.7 mm: lower excursion-limited SPL | + |
| JBL 15WT3000 | 41 -0.3 | 0.44 -0.19 | 76.3 +1.7 | 10.6 +5.9 | 92.5 -2 | usable | + |
Comparer les 3 plus proches avec le 40A →
Classé par similarité de paramètres uniquement (Qts, Fs, Vas, Xmax, sensibilité). Même taille nominale requise. Une indication, pas une simulation, modélisez l'échange avant de couper ou d'acheter.
Utilisé dans les caissons (0)
No enclosure in the catalog uses this driver yet.