JBL 123A
Paramètres Thiele-Small
| Taille nominale | 12" |
|---|---|
| Impédance | 8 Ω |
| Fs | 25 Hz |
| Qts | 0.49 |
| Qes | 0.52 |
| Qms | 8.5 |
| Vas | 235 L |
| Sd | 486.5 cm² |
| Xmax | 7.9 mm |
| Re | 4.4 Ω |
| Bl | 8.7 T·m |
| Mms | 57.2 g |
| Pe | 100 W |
| Sensibilité | 93.1 dB |
Indication d'alignement
| EBP | 48 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 217.1 L |
EBP < 50 : favorise un alignement clos.
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 2213H | 25 = | 0.49 = | 235 = | 7.9 = | 93.1 = | close | 75 W vs 100 W: lower power handling | + |
| JBL 2213 | 25 = | 0.49 = | 235 = | 6.8 -1.1 | 93.1 = | close | 50 W vs 100 W: lower power handling · Xmax 6.8 mm < 7.9 mm: lower excursion-limited SPL | + |
| Alpine 6126GX | 26 +1 | 0.532 +0.04 | 233 -2 | 8.2 +0.3 | 94.5 +1.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Peerless SLS315 | 24.4 -0.6 | 0.452 -0.04 | 205.2 -29.8 | 7.8 -0.1 | 91.4 -1.7 | close | Xmax 7.8 mm < 7.9 mm: lower excursion-limited SPL | + |
| SB Acoustics SB34NRX75-6 vp | 22.2 -2.8 | 0.444 -0.05 | 240 +5 | 11 +3.1 | 92 -1.1 | close | + | |
| Peerless 315SWR | 24 -1 | 0.433 -0.06 | 210 -25 | 8 +0.1 | 91.3 -1.8 | close | + | |
| Peerless 831857 | 24 -1 | 0.433 -0.06 | 210 -25 | 9 +1.1 | 91.3 -1.8 | close | + | |
| Philips AD12250W8 vp doum2 | 28.7 +3.7 | 0.51 +0.02 | 237 +2 | 6 -1.9 | 92.5 -0.6 | close | Xmax 6 mm < 7.9 mm: lower excursion-limited SPL | + |
| Rockford Fosgate R1S4-12 | 22 -3 | 0.493 = | 197.2 -37.8 | 7 -0.9 | 91.5 -1.6 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 7.9 mm: lower excursion-limited SPL | + |
| Davis 31ST12M | 24 -1 | 0.399 -0.09 | 260 +25 | 8.9 +1 | 91.6 -1.5 | usable | + |
Comparer les 3 plus proches avec le 123A →
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.