JBL 2240G
Paramètres Thiele-Small
| Taille nominale | 18" |
|---|---|
| Impédance | 4 Ω |
| Fs | 30 Hz |
| Qts | 0.227 |
| Qes | 0.25 |
| Qms | 2.5 |
| Vas | 481.4 L |
| Sd | 1297.4 cm² |
| Xmax | 5.2 mm |
| Re | 2.5 Ω |
| Bl | 16.1 T·m |
| Mms | 138 g |
| Pe | 300 W |
| Sensibilité | 104.2 dB |
Indication d'alignement
| EBP | 120 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 55.3 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 | 30 = | 0.224 = | 481.4 = | 5.1 -0.1 | 100.4 -3.8 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5.1 mm < 5.2 mm: lower excursion-limited SPL | + |
| JBL E155-4 | 30 = | 0.2 -0.03 | 424.8 -56.6 | 5.1 -0.1 | 104.2 = | close | Xmax 5.1 mm < 5.2 mm: lower excursion-limited SPL | + |
| JBL 2240H/G | 30 = | 0.23 = | 480 -1.4 | 5.5 +0.3 | 99 -5.2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF L 18P751 | 30 = | 0.238 +0.01 | 400 -81.4 | 5 -0.2 | 100.3 -3.9 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 5.2 mm: lower excursion-limited SPL | + |
| JBL E155-8 | 30 = | 0.2 -0.03 | 424.8 -56.6 | 5.1 -0.1 | 100.4 -3.8 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 5.1 mm < 5.2 mm: lower excursion-limited SPL | + |
| AE Speakers TD18H+ | 29 -1 | 0.221 -0.01 | 390 -91.4 | 7 +1.8 | 99.7 -4.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| McCauley B1840 | 28 -2 | 0.231 = | 405 -76.4 | 4.8 -0.4 | 99.1 -5.1 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 4.8 mm < 5.2 mm: lower excursion-limited SPL | + |
| AE Speakers TD18H+ 8 Ohms | 29 -1 | 0.221 -0.01 | 390 -91.4 | 7 +1.8 | 99 -5.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| PD PD 184C01 | 30 = | 0.227 = | 337.1 -144.3 | 7.8 +2.6 | 100.2 -4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Precision Devices PD 184C01 | 30 = | 0.227 = | 337.1 -144.3 | 7.8 +2.6 | 100.2 -4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Comparer les 3 plus proches avec le 2240G →
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.