Eminence BETA-8A
Paramètres Thiele-Small
| Taille nominale | 8" |
|---|---|
| Impédance | 8 Ω |
| Fs | 65 Hz |
| Qts | 0.38 |
| Qes | 0.42 |
| Qms | 4.95 |
| Vas | 23.3 L |
| Sd | 210 cm² |
| Xmax | 3 mm |
| Re | 5.99 Ω |
| Bl | 9.6 T·m |
| Mms | 16 g |
| Pe | 225 W |
| Sensibilité | 95.1 dB |
Indication d'alignement
| EBP | 155 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.5 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 8MB400 | 64 -1 | 0.38 = | 23.9 +0.6 | 5.8 +2.8 | 95 -0.1 | close | + | |
| 18 Sound 8NMB420 | 66 +1 | 0.41 +0.03 | 24.53 +1.23 | 5.8 +2.8 | 95 -0.1 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 8MBX51 | 68 +3 | 0.38 = | 22 -1.3 | 6 +3 | 97 +1.9 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 8FMB51 | 68 +3 | 0.39 +0.01 | 20.5 -2.8 | 5.5 +2.5 | 96 +0.9 | close | 16 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 8MB500 | 74 +9 | 0.43 +0.05 | 21.5 -1.8 | 6 +3 | 95 -0.1 | usable | + | |
| LaVoce FBASS08-18 | 53 -12 | 0.4 +0.02 | 23.64 +0.34 | 4.5 +1.5 | 92.5 -2.6 | usable | 150 W vs 225 W: lower power handling | + |
| Sica 8 L 2 SL | 64 -1 | 0.32 -0.06 | 18.2 -5.1 | 3.5 +0.5 | 94.5 -0.6 | usable | + | |
| 18 Sound 8MB500 | 73 +8 | 0.36 -0.02 | 18.4 -4.9 | 6 +3 | 95 -0.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 8"G40 | 70 +5 | 0.36 -0.02 | 17 -6.3 | 6.5 +3.5 | 95 -0.1 | usable | + | |
| Sica 8 D 1.5 CS | 62 -3 | 0.3 -0.08 | 25.5 +2.2 | 2.5 -0.5 | 95.3 +0.2 | usable | 130 W vs 225 W: lower power handling · Xmax 2.5 mm < 3 mm: lower excursion-limited SPL | + |
Comparer les 3 plus proches avec le BETA-8A →
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 (1)
- FK Top 8 1Wtopbass reflex