JBL P1220
Paramètres Thiele-Small
| Taille nominale | 12" |
|---|---|
| Impédance | 2 Ω |
| Fs | 28.7 Hz |
| Qts | 0.448 |
| Qes | 0.48 |
| Qms | 6.71 |
| Vas | 47.4 L |
| Sd | 482 cm² |
| Xmax | 7.8 mm |
| Re | 1.95 Ω |
| Bl | 12.5 T·m |
| Mms | 212 g |
| Pe | 400 W |
| Sensibilité | 91.8 dB |
Indication d'alignement
| EBP | 60 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 31.8 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 |
|---|---|---|---|---|---|---|---|---|
| Alpine 1242D | 29 +0.3 | 0.47 +0.02 | 45 -2.4 | 9.1 +1.3 | 91.4 -0.4 | close | 4 Ω vs 2 Ω: amp load changes | + |
| DD Audio REDLINE 700 SERIES | 28.3 -0.4 | 0.434 -0.01 | 39.6 -7.8 | 7 -0.8 | 90.7 -1.1 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 7 mm < 7.8 mm: lower excursion-limited SPL | + |
| Fountek FW323 - 4 Ohms | 30 +1.3 | 0.452 = | 51.4 +4 | 6.6 -1.2 | 89.7 -2.1 | close | 4 Ω vs 2 Ω: amp load changes · Xmax 6.6 mm < 7.8 mm: lower excursion-limited SPL | + |
| Focal P30DB | 29.4 +0.7 | 0.427 -0.02 | 56.8 +9.4 | 7.7 -0.1 | 93.7 +1.9 | close | Xmax 7.7 mm < 7.8 mm: lower excursion-limited SPL | + |
| Alpine SWR-12D2 vp | 27 -1.7 | 0.441 -0.01 | 46 -1.4 | 10 +2.2 | 87.8 -4 | close | 8 Ω vs 2 Ω: amp load changes | + |
| Focal E30KX | 29 +0.3 | 0.454 +0.01 | 50 +2.6 | 10.7 +2.9 | 86.9 -4.9 | close | 8 Ω vs 2 Ω: amp load changes | + |
| Focal SUB30KXE | 29 +0.3 | 0.454 +0.01 | 50 +2.6 | 10.8 +3 | 86.9 -4.9 | close | 8 Ω vs 2 Ω: amp load changes | + |
| Dayton Audio TS320D-4 TITANIC MK 4 | 28.3 -0.4 | 0.453 +0.01 | 64.1 +16.7 | 9.8 +2 | 90.7 -1.1 | close | 4 Ω vs 2 Ω: amp load changes | + |
| Ground Zero GZRW 12XS-AL | 30 +1.3 | 0.395 -0.05 | 52 +4.6 | 8.9 +1.1 | 90.4 -1.4 | close | 4 Ω vs 2 Ω: amp load changes | + |
| Celestion FTR12-4080DL/4 | 35.3 +6.6 | 0.428 -0.02 | 51.4 +4 | 8 +0.2 | 92.5 +0.7 | close | 4 Ω vs 2 Ω: amp load changes | + |
Comparer les 3 plus proches avec le P1220 →
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.