JBL 2240H
Paramètres Thiele-Small
| Taille nominale | 18" |
|---|---|
| Impédance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.224 |
| Qes | 0.25 |
| Qms | 2.2 |
| Vas | 481.4 L |
| Sd | 1297.4 cm² |
| Xmax | 5.1 mm |
| Re | 6 Ω |
| Bl | 25 T·m |
| Mms | 138 g |
| Pe | 300 W |
| Sensibilité | 100.4 dB |
Indication d'alignement
| EBP | 120 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 53.7 L |
EBP > 100 : favorise un alignement 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 |
|---|---|---|---|---|---|---|---|---|
| JBL 2240H/G | 30 = | 0.23 +0.01 | 480 -1.4 | 5.5 +0.4 | 99 -1.4 | close | + | |
| JBL 2240G | 30 = | 0.227 = | 481.4 = | 5.2 +0.1 | 104.2 +3.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| JBL E155-8 | 30 = | 0.2 -0.02 | 424.8 -56.6 | 5.1 = | 100.4 = | close | + | |
| RCF L 18P751 | 30 = | 0.238 +0.01 | 400 -81.4 | 5 -0.1 | 100.3 -0.1 | close | Xmax 5 mm < 5.1 mm: lower excursion-limited SPL | + |
| AE Speakers TD18H+ | 29 -1 | 0.221 = | 390 -91.4 | 7 +1.9 | 99.7 -0.7 | close | + | |
| AE Speakers TD18H+ 8 Ohms | 29 -1 | 0.221 = | 390 -91.4 | 7 +1.9 | 99 -1.4 | close | + | |
| McCauley B1840 | 28 -2 | 0.231 +0.01 | 405 -76.4 | 4.8 -0.3 | 99.1 -1.3 | close | Xmax 4.8 mm < 5.1 mm: lower excursion-limited SPL | + |
| PD PD 184C01 | 30 = | 0.227 = | 337.1 -144.3 | 7.8 +2.7 | 100.2 -0.2 | close | + | |
| Precision Devices PD 184C01 | 30 = | 0.227 = | 337.1 -144.3 | 7.8 +2.7 | 100.2 -0.2 | close | + | |
| JBL E155-4 | 30 = | 0.2 -0.02 | 424.8 -56.6 | 5.1 = | 104.2 +3.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
Comparer les 3 plus proches avec le 2240H →
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.