18 Sound 8NMB420
Paramètres Thiele-Small
| Taille nominale | 8" |
|---|---|
| Impédance | 4 Ω |
| Fs | 59 Hz |
| Qts | 0.31 |
| Qes | 0.34 |
| Qms | 3.81 |
| Vas | 31 L |
| Sd | 227 cm² |
| Xmax | 5.8 mm |
| Re | 2.6 Ω |
| Bl | 7 T·m |
| Mms | 16.9 g |
| Pe | 280 W |
| Sensibilité | 95 dB |
Indication d'alignement
| EBP | 174 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7.4 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 8NMB420 | 61 +2 | 0.28 -0.03 | 33 +2 | 5.8 = | 95 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| Beyma 8"P300Fe/N | 53 -6 | 0.31 = | 24.8 -6.2 | 6 +0.2 | 94 -1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 8MBX51 | 60 +1 | 0.29 -0.02 | 23 -8 | 6 +0.2 | 96.5 +1.5 | close | 8 Ω vs 4 Ω: amp load changes · 200 W vs 280 W: lower power handling | + |
| 18 Sound 8MB400 | 64 +5 | 0.38 +0.07 | 23.9 -7.1 | 5.8 = | 95 = | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 8RS250 | 56 -3 | 0.32 +0.01 | 18.3 -12.7 | 6.92 +1.12 | 93 -2 | usable | 8 Ω vs 4 Ω: amp load changes · 200 W vs 280 W: lower power handling | + |
| 18 Sound 8NMB420 | 66 +7 | 0.41 +0.1 | 24.53 -6.47 | 5.8 = | 95 = | usable | 16 Ω vs 4 Ω: amp load changes | + |
| B&C 8FMB51 | 67 +8 | 0.28 -0.03 | 20.7 -10.3 | 5.5 -0.3 | 96.5 +1.5 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 5.5 mm < 5.8 mm: lower excursion-limited SPL | + |
| B&C 8FG51 | 49 -10 | 0.32 +0.01 | 20 -11 | 6.5 +0.7 | 93 -2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 8NW650 | 62 +3 | 0.25 -0.06 | 18.99 -12.01 | 5.5 -0.3 | 95 = | usable | 16 Ω vs 4 Ω: amp load changes · Xmax 5.5 mm < 5.8 mm: lower excursion-limited SPL | + |
| Sica 8 S 2.5 CP | 54 -5 | 0.33 +0.02 | 18.6 -12.4 | 5 -0.8 | 93 -2 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 5.8 mm: lower excursion-limited SPL | + |
Comparer les 3 plus proches avec le 8NMB420 →
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.