18 Sound 12ND830
Paramètres Thiele-Small
| Taille nominale | 12" |
|---|---|
| Impédance | 4 Ω |
| Fs | 58 Hz |
| Qts | 0.24 |
| Qes | 0.25 |
| Qms | 6.48 |
| Vas | 63 L |
| Sd | 531 cm² |
| Xmax | 6.5 mm |
| Re | 2.8 Ω |
| Bl | 13.7 T·m |
| Mms | 47 g |
| Pe | 450 W |
| Sensibilité | 99 dB |
Indication d'alignement
| EBP | 232 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 8.2 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 12MC700Nd | 51 -7 | 0.24 = | 58 -5 | 7 +0.5 | 99 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| Precision Devices PD123 ER | 60.5 +2.5 | 0.247 +0.01 | 51 -12 | 6.5 = | 97 -2 | close | 16 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 12ND830 | 55 -3 | 0.28 +0.04 | 72 +9 | 6.5 = | 99 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF LF12P903 | 47 -11 | 0.23 -0.01 | 65 +2 | 7 +0.5 | 97.8 -1.2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 12W750 | 55 -3 | 0.27 +0.03 | 58 -5 | 7 +0.5 | 97 -2 | close | + | |
| RCF MB 12N301 | 54 -4 | 0.24 = | 71 +8 | 4.9 -1.6 | 99.7 +0.7 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 4.9 mm < 6.5 mm: lower excursion-limited SPL | + |
| Beyma 12MCB700 | 51 -7 | 0.27 +0.03 | 59.5 -3.5 | 7 +0.5 | 98 -1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Oberton 12B450 | 46.29 -11.71 | 0.235 -0.01 | 71.75 +8.75 | 7.75 +1.25 | 99 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 12NDL88 | 48 -10 | 0.24 = | 57 -6 | 8 +1.5 | 97 -2 | close | + | |
| Beyma 12"P80/Fe V2 | 48 -10 | 0.21 -0.03 | 61 -2 | 7.5 +1 | 99 = | close | 8 Ω vs 4 Ω: amp load changes | + |
Comparer les 3 plus proches avec le 12ND830 →
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.