Ciare NDK 21-4
Paramètres Thiele-Small
| Taille nominale | 21.5" |
|---|---|
| Impédance | 4 Ω |
| Fs | 28.5 Hz |
| Qts | 0.322 |
| Qes | 0.35 |
| Qms | 4 |
| Vas | 232.4 L |
| Sd | 1662 cm² |
| Xmax | 8 mm |
| Re | 3.5 Ω |
| Bl | 30.5 T·m |
| Mms | 519.6 g |
| Pe | 1500 W |
| Sensibilité | 97.4 dB |
Indication d'alignement
| EBP | 81 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 60.8 L |
EBP 50-100 : fonctionne en clos ou en 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence NSW6021-6 | 29 +0.5 | 0.304 -0.02 | 224.6 -7.8 | 10.3 +2.3 | 97.7 +0.3 | close | + | |
| Dayton Audio PSS545HE-4 VORTEX | 28.8 +0.3 | 0.27 -0.05 | 212.1 -20.3 | 8.6 +0.6 | 97.8 +0.4 | close | + | |
| Ciare NDC 21-5 | 32.2 +3.7 | 0.344 +0.02 | 270.8 +38.4 | 8.8 +0.8 | 97.2 -0.2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF LF 21N551 | 35 +6.5 | 0.331 +0.01 | 200 -32.4 | 7.7 -0.3 | 97.7 +0.3 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7.7 mm < 8 mm: lower excursion-limited SPL | + |
| 18 Sound 21NLW9000 | 29 +0.5 | 0.347 +0.02 | 304 +71.6 | 10.7 +2.7 | 96.4 -1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF 21LNW9000 | 29 +0.5 | 0.347 +0.02 | 304 +71.6 | 10.7 +2.7 | 96.4 -1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 21 SW 152 | 32 +3.5 | 0.297 -0.03 | 198.2 -34.2 | 7.5 -0.5 | 98.9 +1.5 | usable | Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| B&C 21 SW 152 v2013 | 32 +3.5 | 0.297 -0.03 | 200 -32.4 | 7.5 -0.5 | 99.5 +2.1 | usable | Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| B&C 21 SW 150 | 29 +0.5 | 0.261 -0.06 | 254 +21.6 | 7.5 -0.5 | 99.4 +2 | usable | Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| SB Audience NERO-21SW1100D | 32 +3.5 | 0.339 +0.02 | 312.6 +80.2 | 8.1 +0.1 | 98.6 +1.2 | usable | 8 Ω vs 4 Ω: amp load changes · 1100 W vs 1500 W: lower power handling | + |
Comparer les 3 plus proches avec le NDK 21-4 →
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.