18 Sound 12ND940
Paramètres Thiele-Small
| Taille nominale | 12" |
|---|---|
| Impédance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.2 |
| Qes | 0.2 |
| Qms | 5.6 |
| Vas | 64.8 L |
| Sd | 531 cm² |
| Xmax | 7.6 mm |
| Re | 5 Ω |
| Bl | 22.2 T·m |
| Mms | 66 g |
| Pe | 600 W |
| Sensibilité | 100 dB |
Indication d'alignement
| EBP | 245 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.6 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12NDL76 | 50 +1 | 0.2 = | 73 +8.2 | 7 -0.6 | 100 = | close | 400 W vs 600 W: lower power handling · Xmax 7 mm < 7.6 mm: lower excursion-limited SPL | + |
| Oberton 12NB450 | 46.46 -2.54 | 0.204 = | 72.57 +7.77 | 7.75 +0.15 | 100 = | close | + | |
| Beyma 12"P80/Fe V2 | 48 -1 | 0.21 +0.01 | 61 -3.8 | 7.5 -0.1 | 99 -1 | close | Xmax 7.5 mm < 7.6 mm: lower excursion-limited SPL | + |
| Beyma 12P80FE V2 | 50 +1 | 0.201 = | 66.8 +2 | 5.2 -2.4 | 99.9 -0.1 | close | Xmax 5.2 mm < 7.6 mm: lower excursion-limited SPL | + |
| B&C 12NDL76 | 50 +1 | 0.19 -0.01 | 70 +5.2 | 6 -1.6 | 100 = | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 6 mm < 7.6 mm: lower excursion-limited SPL | + |
| 18 Sound 12ND930 | 50 +1 | 0.21 +0.01 | 70 +5.2 | 6.5 -1.1 | 98 -2 | close | Xmax 6.5 mm < 7.6 mm: lower excursion-limited SPL | + |
| RCF LF12P903 | 47 -2 | 0.23 +0.03 | 65 +0.2 | 7 -0.6 | 97.8 -2.2 | close | Xmax 7 mm < 7.6 mm: lower excursion-limited SPL | + |
| B&C 12CL76 | 48 -1 | 0.21 +0.01 | 59 -5.8 | 6 -1.6 | 98.5 -1.5 | close | 350 W vs 600 W: lower power handling · Xmax 6 mm < 7.6 mm: lower excursion-limited SPL | + |
| Oberton 12B450 | 46.29 -2.71 | 0.235 +0.03 | 71.75 +6.95 | 7.75 +0.15 | 99 -1 | close | 450 W vs 600 W: lower power handling | + |
| RCF MB 12N405 | 52 +3 | 0.203 = | 53 -11.8 | 5.7 -1.9 | 99.5 -0.5 | usable | Xmax 5.7 mm < 7.6 mm: lower excursion-limited SPL | + |
Comparer les 3 plus proches avec le 12ND940 →
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.