RCF LF 21N551
Paramètres Thiele-Small
| Taille nominale | 21.5" |
|---|---|
| Impédance | 8 Ω |
| Fs | 35 Hz |
| Qts | 0.331 |
| Qes | 0.35 |
| Qms | 6.2 |
| Vas | 200 L |
| Sd | 1730 cm² |
| Xmax | 7.7 mm |
| Re | 5.2 Ω |
| Bl | 37.6 T·m |
| Mms | 433.8 g |
| Pe | 2000 W |
| Sensibilité | 97.7 dB |
Indication d'alignement
| EBP | 100 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 56.1 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 21 SW 152 | 32 -3 | 0.297 -0.03 | 198.2 -1.8 | 7.5 -0.2 | 98.9 +1.2 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 7.7 mm: lower excursion-limited SPL | + |
| B&C 21 SW 152 v2013 | 32 -3 | 0.297 -0.03 | 200 = | 7.5 -0.2 | 99.5 +1.8 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 7.7 mm: lower excursion-limited SPL | + |
| Ciare NDK 21-4 | 28.5 -6.5 | 0.322 -0.01 | 232.4 +32.4 | 8 +0.3 | 97.4 -0.3 | close | 4 Ω vs 8 Ω: amp load changes · 1500 W vs 2000 W: lower power handling | + |
| Ciare NDC 21-5 | 32.2 -2.8 | 0.344 +0.01 | 270.8 +70.8 | 8.8 +1.1 | 97.2 -0.5 | close | 1500 W vs 2000 W: lower power handling | + |
| Eminence NSW6021-6 | 29 -6 | 0.304 -0.03 | 224.6 +24.6 | 10.3 +2.6 | 97.7 = | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 21SW1600ND | 33 -2 | 0.382 +0.05 | 268 +68 | 8.9 +1.2 | 97.6 -0.1 | usable | + | |
| Dayton Audio PSS545HE-4 VORTEX | 28.8 -6.2 | 0.27 -0.06 | 212.1 +12.1 | 8.6 +0.9 | 97.8 +0.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| SB Audience NERO-21SW1100D | 32 -3 | 0.339 +0.01 | 312.6 +112.6 | 8.1 +0.4 | 98.6 +0.9 | usable | 1100 W vs 2000 W: lower power handling | + |
| B&C 21 SW 115 v2015 | 33 -2 | 0.353 +0.02 | 278 +78 | 9.3 +1.6 | 100.6 +2.9 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| P.Audio SD-21 | 41 +6 | 0.412 +0.08 | 200.6 +0.6 | 5.7 -2 | 98.8 +1.1 | usable | 1000 W vs 2000 W: lower power handling · Xmax 5.7 mm < 7.7 mm: lower excursion-limited SPL | + |
Comparer les 3 plus proches avec le LF 21N551 →
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.